Import PST to Outlook Web Access (OWA) Office 365

Microsoft Outlook is a popular email application that is used by most users worldwide. But nowadays, users prefer to open their PST files on multiple platforms instead of just MS Outlook. Outlook Web Access (OWA) is a web based email client that runs on a browser. It is very similar to Outlook and gives you the flexibility to access your mailboxes, irrespective of your location and without requiring the installation of Microsoft Outlook or other email clients on your system. Outlook Email can be accessed through Outlook Web Access (OWA) when configured in Office 365. Hence, in this article we are going to elaborate some useful methods to import PST to Outlook Web Access (OWA) Office 365.

Manual approach to import PST to Outlook Web Access (OWA) Office 365

This method uses the network upload method. So, follow all the given steps one by one to import PST files to Office 365 OWA in efficient manner.

Step 1: Upload PST to Azure AzCopy Tool

  • Visit the link and login to your Microsoft Account.
  • After logging, move to ‘Security and Compliance Center’ and choose ‘Data Governance’. After that click on ‘Import’ button.
  • Now, an ‘Import’ window will open, click on the ‘New Import Job’.
  • Now, click on the show ‘Network Upload SAS URL’ and then copy that URL.
  • After that select the ‘Upload’ option and click on the Azure AzCopy Tool to download it.
  • Now, start the Azure AzCopy tool to import PST files to OWA.
  • Now, open Command Prompt and type to open PST file in Outlook Web application

AzCopy.exe //Source:<<Location of PST files>> //Dest:<<SAS URL>> //V:<<Log file location>> //Y

Step 2: Create PST Import Mapping File

As soon as the PST file is uploaded to the Azure storage location, you will then have to move it to Office 365. You need to create a Comma Separated value (CSV) file that contains information about the user’s mailboxes and PST files. The CSV file will be used to create the import job.

Step 3: Create PST Import Job

  • In the import data page, check the box “I am done uploading my files” and “I have access to the mapping file” and after that click the Next button.
  • In the next page, Select a mapping file that you previously created in CSV format
  • Press the validate button to check for any errors. After confirmation, click the Save button and then click the Close button.

Step 4: Start the PST Import job for Outlook Web Access(OWA)

  • Visit the Security & Compliance Center and click Import PST file page.
  • Click on the link Ready to import to Office 365.
  • Now “Filter your data” before importing.
  • Filter the data accordingly and press the Next button.
  • Now, to start importing your files, just click the Import data option.
  • Soon you will get your data in Outlook Web Access (OWA).

Automatic approach to import PST to Outlook Web Access(OWA) Office 365

By using third party tool named Regain PST to Office 365 Software. It takes few clicks to import PST to Outlook Web Access(OWA) Office 365 are as follows:

  • Download and install PST to Office 365 Migration Tool for Outlook Web Access(OWA).
  • Start the software and click “Add File(S)” button and choose a single or multiple PST file.
  • Now add Office 365 Mailbox as destination by clicking “add” button
  • Map source mailboxes with destination mailboxes in this steep and click on “Set Filter and Migrate”.
  • Choose the type of migration amongst Archive Mailbox, Mailbox and Public folder and click on “Migrate”
  • Select filters to migrate specific data and click “Start Migration” button.
  • Now, PST File successfully converts into the Office 365 account and then can be accessed on Outlook Web Access(OWA).

Features of Regain PST to Office 365 Migration Tool

Use this multi talented Regain PST to Office 365 Migration tool that helps users migrate from Outlook PST to Office 365 and Live Exchange Server in a quick and secure manner without interruption. It does not require any advanced technical knowledge to open Outlook mail data in an Outlook webmail application. Users can Import PST  to Office 365 directly and then can be accessed on Outlook Web Access (OWA).

  • Migrates Outlook PST email to Office 365 and Live Exchange Server successfully
  • It helps to save Outlook Email items to Office 365 platform i.e. email messages, notes, drafts, calendars, events, etc. with ease and no hassle.
  • Provides preview facilities to view the selected PST files before actual migration
  • Performs selective conversion of Outlook PST file for saving time and efforts of the user
  • Offers bulk export Outlook PST files to Office 365 or Live Exchange Server
  • Self-intuitive and easy to use GUI for easy migration without any expertise

It helps users to Upload or Import PST File to Office 365 & Live Exchange Account without Outlook Installation

Export EML to Office 365 Professionally

Do you know, what trends nowadays – Migration between Office 365 and file formats. Now most of the users are prefer to move towards the best options available in the market instead of continuing with their current email client. We all already know that Microsoft has captured most of the market with its latest and modern software and applications. Office 365 is popular web-based email client provided by Microsoft Corporation and businesses are moving toward it without a second thought.

Users must go through the conversion process to move data, as Office 365 has its own file format and is not compatible with other formats. So, if you want to migrate EML files to Office 365 account and looking for a reliable method. Then, your search is now on end. As we have come up with the authentic solution to make the migration process stress-free and effortless.

Why Migrate into Office 365?

EML is one of the default email storage formats for a large number of desktop-based applications. It stores all the data of the messages along with attachments, and not only this it allows us to save the emails as the EML files supported by Windows Live Mail, Thunderbird, Outlook Express and so on.

Whereas, Office 365 is an cloud based application that can be accessed data from anywhere at any time with the connection of internet, that’s why this online service of Microsoft is also known as Outlook Web Access or Outlook 365. Generally Office 365 is available and anyone can use it on different devices like mobile, android, laptops, PC, Mac and so on.

We know that desktop based application have its own importance, but users may need to move e-mail clients from desktop to online services to avail the benefits of updated features. Office 365 is the perfect cloud-based email service available to users. Therefore, migration in Office 365 is trending.

How to Migrate EML to Office 365?

There are two methods available for migrating EML to Office 365, either you can use manual methods or any automated solution that you think is better. But when exporting EML files in Office 365 using manual technology, it takes a lot of time to complete the conversion work, as it has a very long process. If you choose this method, you need to be careful while running the conversion process to secure the data.

Migrate EML to Office 365 Manually

  1. First open Windows Live Mail then Click “File” → “Export Email”, and then select “Email Messages”
  2. Now from the Program list select “Microsoft Exchange” and click the “Next” button
  3. New message windows will pop-up on screen for confirming the exportation of messages. Click on “OK” and move to the next step
  4. Now select the files/folders that you want to export from Windows Live Mail into MS Outlook and click on “OK”
  5. A window will appear on screen displaying the EML to PST conversion process
  6. Now click the Finish button once the conversion process completes
  7. Now you are required to sign in into your Office 365 account
  8. In the Import page (of Data governance), you are required to create a new job to upload data to Office 365 Azure storage location
  9. Now you need to copy the file and save the network upload SAS URL
  10. Now download and run the Azure AZ Copy tool on your system
  11. Now, use the command prompt to upload the PST files into Office 365 using the AzCopy.exe tool.
  12. Now you need to create a CSV file with mailboxes details
  13. And then again, create a PST import job
  14. Finally, import PST files into Office 365 successfully

Just now you saw the manual steps given to import EML files in Office 365 above, you might find this process a bit difficult, but this manual method is not only difficult but it also has some major drawbacks; It takes a lot of time and even there is a possibility of data loss. So you need to do this migration work with utmost care, one wrong step can ruin the whole process and can also lead to data loss. If you want an easy solution for your import work, use the professional tools we recommend below.

Professional Approach for EML to Office 365 Migration

You need a professional tool like – Regain EML to Office 365 Migrator tool, which is able to complete your work in a few seconds. This tool has been developed with the latest and robust features that smoothly complete the migration process of EML file to Office 365 account. Let us see here some features of this incredible utility, which is given below.

Features of Regain EML to Office 365 Migrator Tool: 

  • Designed with modern technology that migrate multiple EML files/folder to Office 365 account
  • Allows migration of EML to Office365 with email properties such as Contacts, Calendar, etc.
  • Offers facility to add multiple files in a single attempt, without limit the size of files
  • Ability to preview, allows the user to see the data before the migration process
  • User-friendly features to migrate EML files into Office365 and live Exchange Server
  • Provides filtering data option such as Subject, from, to, et cetera, for selective migration
  • Allows users to view migration report after migration without any efforts
  • Offers a demo version free of cost and lets you migrate the first 30 items from each folder.


Continuously remain in businesses in this competitive market, which is now establishing the easiest way to transfer data. Office 365 meets the essential needs of users. Therefore, the migration to Office 365 has been marked by an increase in recent years. You can rely on Regain Software for your migration work; this tool never lets its users down and provides 100% guaranteed satisfactory results to its users at all times and will continue to do so. If looking for eml to pst converter tool then you can try this application.

How to Convert PST Data to MBOX Files?

In this days, there are many email and email handling software that offer users to work with any email client, if we talk about them, it is impossible not to have heard of Outlook – it is one of the most popular and especially preferred email clients for Windows . And Outlook is the best email client for businesses, corporate, organizations, individuals who manage more than 1000 emails a day. Although MS Outlook is also a version for the Mac platform, it is not very popular among Mac users.

Reasons Why You Need to Convert PST to MBOX

Let’s focus on the most common reasons why many users want to convert Outlook PST files to MBOX file format that is supported by various email clients including Thunderbird, Spice Bird, Eudora, Apple Mail, etc. Here we have mentioned a few reasons below, so after reading all these reasons, you will know very well why users need MS Outlook to MBOX conversion.

  • In the long run, MS Outlook proves to be very expensive for many general users, as it becomes necessary for users to purchase a licensed version of MS Office after a certain period of time. You can download MS Outlook and sign up during the trial period to evaluate the product, but after that you will need to purchase a license for it. Therefore many users wants shift from MS Outlook to MBOX supported email client for free. Desktop email clients, which are available both open source and online for free, are preferred by single users.
  • PST files in MS Outlook can be corrupted and inaccessible. When we talk about Microsoft products, we do not find any native method of resolving file loss or corruption issues in it and PST only works on Outlook. Thus, if the file is corrupted once, then in this situation we may be stuck for a long time.
  • Outlook users must have Windows OS enabled, and MBOX files can be accessed on any OS. For example, Windows, MacOS, Linux, etc.

Now definitely you are clear that why and when users might need the conversion of Outlook PST file to MBOX file format, and I hope you also came to know the main differentiation between the two file formats. Now we come to the next topic how can you convert a PST file to MBOX?

You will find many manual as well as third party tools online to carry out the conversion of Outlook PST to MBOX (Mozilla Thunderbird) file. But, for reliable and safe conversion we recommend using Regain PST to MBOX Converter, an all in one solution to handle all kinds of issues or needs related to Outlook PST data file.

This tool is specially designed with advance algorithm that efficiently scans and converts your Outlook PST file. also the software is very competent as it allows you to switch PST to MBOX and you can transfer all of the mail data into other email clients like Spicebird, Thunderbird, etc. into MBOX format. Now, here we will show you the working procedure of this Regain PST to MBOX Converter, by following which you will be able to convert Outlook PST to MBOX file format without facing any technical issues.

Following are Steps to Convert Outlook Emails to MBOX format:-

PST to MBOX Converter tool

  • Here, browse and select the file that you wish to convert and click “Open,“

Select Outlook PST File for Conversion

  • After the conversion completes, you will see the file folders. Click any folder to preview its email / item.

Show Preview of Emails before PST to MBOX Conversion

  • Now, select the destination location where you want to save the MBOX file. Click “Save Now” option to complete the process,
  • Here you can also merge your entire converted folders items in a single MBOX file, if you wish

Select the destination location to save converted MBOX file

  • Finally, you will get a notification on your screen displaying “saving” process has been completed.

Successfully Convert PST file to MBOX format

How to extract attachments, contacts, calendars, & email addresses from OST?

As we all know, an OST file is a data storage file used to store offline data in an Outlook profile on users’ local device. It is also known as the Offline Storage Table, which contains complete Outlook data such as email, contacts, calendar, logs, tasks, and more. At one time or another, it generally happens with Exchange users that they need to extract data or export it from OST file via Microsoft Outlook. This can easily be done with the MS Outlook Import / Export feature, but for this. Outlook should be connected to the Exchange server and it should be accessible.  In this blog you have been told about a paid third party tool, which can help you to extract emails, attachments, contacts, calendars etc. from OST files, even when the file is orphaned or corrupt. However, it also works when Outlook is not connected to the Exchange server.

Extract Email Address, Contacts, Calendars, and Attachments of OST files

Download one of the simplest and fast solution named Regain OST Recovery Tool which is quality tested solution to easily extract data from OST files without any Outlook and Exchange Server connectivity. Because of its easy interface the data extraction from OST files become very easy for any kind of users. Let us see which items are extracted by the software and in which formats.

Extract OST contacts to VCF/MSG → This program loads single OST or multiple OST files simultaneously to extract all contacts with details such as name, email address, pictures, mobile number, etc.

Extract OST calendars to ICS/MSG → Calendar migration from OST file to PST, EML, MSG, MBOX, HTML, ICS, VCARD format can be done using this application, including all calendar details such as – scheduled assignment, appointments, meeting, etc.

Extract OST Attachments → Attachments can be easily obtained via OST file. Users can easily select OST folders and extract attachments of the desired files according to their requirements.

Extract OST email addresses → This software allows users to extract email addresses from an OST file. Users can extract email addresses such as From, Subject, To, Bcc, etc. seamlessly without any problems

Steps to Extract OST data items – attachments, contacts, calendars, & email addresses

  • Install the Regain OST Recovery Software on your Windows System
  • Browse and choose a single or multiple OST Data file
  • Select the items to extract – email address, attachments, contacts, etc. for scanning
  • After Scanning Software generate a Preview of selected OST Emails items
  • Now Select the File Format in which you wish to save your extracted OST email items
  • Select the Destination location to Save extracted OST file
  • Now Software Start Saving

How to extract items from OST file using manual solution?

If you choose manual trick to extract your calendars, contacts, email addresses, and attachments from Outlook OST file, then it is mandatory for you to install MS Outlook and connect it with your Exchange Server.

Process to Extract Calendars from OST file

  • First of all you need to Open MS Outlook
  • Click on File menu → Open & Export → Import/Export
  • Now choose Outlook data file & then select Calendars from OST file
  • Now enter the destination path as per your choice to save the files
  • Finally hit the Finish button.

Process to Export OST email addresses data

  • Open MS Outlook; go to File and then select options
  • Select the Advanced option and then click on Export option
  • Now select Export to a file option
  • Now you need to choose Outlook data file
  • Select email folder, here you can also include sub folders as well
  • Use the browse button to choose the path where you want to save the email addresses

Process to extract OST contacts to VCF

  • Open MS Outlook and move to the “File” menu
  • Now you need to select the desired contacts
  • After that again go to the “file” menu and click on “Save As” option
  • Now you need to “name the file” and choose VCF under “Save as Type”

Process to extract attachments from OST file

Users can open Outlook and can extract attachments from OST emails one by one. Other then that, no method is available to extract attachments of OST email messages.

Shortcoming with Manual Solutions

There are few more shortcomings that users may face with the manual solutions-

  • Contacts from OST file to VCF can be exported easily. But there is no other manual method is available that can convert your multiple contacts from OST file to vCard format quickly.
  • Manual solution is very time consuming and has long procedure to extract attachments from every OST emails.
  • In manual solution, there is no surety of safety of data when you extract the items from OST files

That’s  the reason why most of the users want to opt a professional tool that only take few steps to extract your valuable calendars, contacts, attachments, and email addresses from OST files. This software is 100% safe and secured in terms of providing accurate results. You can check the functionality of this software by using its trial version that comes absolutely free of cost.

How to Merge Multiple Outlook PST Files?

There are plenty of Outlook users, and many are using email client since it was first released. Nowadays it becomes the first choice of the individual as well as organizations as it is the most famous email client in the globe. Many users prefer to store their files data in various Outlook accounts. But when several PST files are lying down, it becomes very hard for the users to manage the PST file properly. Therefore, in this blog we are going to show you how you can merge your Outlook PST files in a accurate way. Here our main focus will be on merging the files and move all data to one file without damaging or losing PST files data.

So the right solution to these issues would be one PST, a file, with all your important data. In addition, there are several other reasons to combine Outlook PST files. But the question arises as to how to combine all PST data files into a single Outlook PST file. In this article we are going to give you a selection of multiple methods of merging Microsoft Outlook PST files and move all the redistributed data to one file, but without this you will damage or not lose the PST file data.

Why Merging PSTs?

Before we move on to the methods of merging PST files, find out why it is important to merge multiple PST files into a single one. Every user has different purpose behind merging Outlook PST files, but there are several common reasons why users want to merge or combine their multiple PST into a single file. Thus, we refer to situations where merging PSTs would be the best possible solution for the users.

  • You may need to merge PSTs when merging an old account.
  • Combining PSTs is the best option when it comes to backing up your files
  • If you are looking to merge your social, personal or work related accounts, merging is the best solution.
  • When you switch to another service, say an exchange, then the merger may be helpful.
  • When you receive files from a team, family member, organization, or any other group, uniting is the easiest way to manage this data on one PST file.

Now we’ll look at why merging is considered a better option in many scenarios. Sometimes, managing PST files can be very difficult. And the only solution to these issues is that you need to attach your entire data from different files to one PST file. And the biggest problem arises, how do we do that? There are two ways to merge your PST file data; You can do this manually or using a third-party tool. It is up to you which option to choose. There is a high chance that users will be confused, which is the worst situation for them because it can cause them a lot of damage or data loss. With that in mind, we’ve taken all of these issues into account as we’ve created this blog so that users can safely merge their Outlook PST files into single one with their integrity.

Merge PST Data Files Manually

The manual method is not clear-cut; it is a two-step process. Follow the steps to merge your multiple PST file data into single PST file.

Step 1: Create a New Outlook PST File

  1. First of all you need to Open Outlook, and after that select the Home tab.
  2. Then click New Items → More Items → Outlook Data File
  3. Here browse the path to save the file, give it a name, and click ‘OK’.

Now your New Outlook PST file is created successfully

Step 2: Import Outlook Data to New PST file

At this point, the data in the existing PST files will be transferred to the new file created in step 1.

  1. Open MS Outlook, and then go to ‘File’ → ‘Open’ → ‘Import’ option.
  2. The ‘Import/Export’ wizard opens up next.
  3. Select ‘Import from another program or file’ option and then click ‘Next’.
  4. Select ‘Outlook Data file (.pst)’ to import that files type and click ‘Next’.
  5. Click on the ‘Browse’ button to select the PST data file for importing and click ‘Next’.

Note: Select the options as per your need (shown in the screenshot above).

  1. Choose the folder that you need to import into the new PST data file.

Note: checkmark on sub-folder in case of partial selection of folder.

  1. At last just click on the Finish button.

By following the above steps, you are now able to easily merge multiple PST files in Outlook 2019/2016/2013/2010/2007 and 2003. You can repeat the same steps if you have too many PST files that you want to merge them. Now, we will discuss instant techniques to easily merge PST files into an Outlook PST file.

Merge Outlook PST Files Instantly

Merging PST files seems a bit complex in a manual way, because in manual method you have to follow a lot of steps with full attention; because not doing so increases the chances of loss of your data or may damage your files data, which can affect your workflow and cost precious time & money. Therefore, if you want to save your precious time and money, without causing any harm to data. You really need to use a professional method to accomplish this task. Regain PST Merger tool is an incredible solution to merge or combine multiple Outlook PST files into a single PST file with no file size issues. It keeps your data away from the dangers of corruption or data loss.