Tips to Migrate from OST to PST Files Manually

Both OST and PST files are used in Outlook. PST Stands for Personal Storage Table and OST stands for Offline Storage Table. As the name suggests, Offline Storage Table records Exchange Server data. OST file can be used when there is no connectivity to the server. On the other side, PST files are used for email data storage in the system, including contacts, calendar, tasks, notes etc. OST is used to perform ‘cached’ storage and PST for ‘actual’ storage.


Why OST to PST Migration?

There are different reasons to convert OST files into PST format. Here are some of the important causes –

  • If any data is deleted by mistake or lost in Exchange Server. So, you can repair it with OST to PST conversion.
  • When Exchange Server is crashed because of any faults like power failure, software failure, virus attacks etc. So, it is wise to perform OST to PST conversion.
  • If there is any emergency to access email items during maintenance of Exchange Server. You cannot access mailbox. Hence, you have to perform OST to PST conversion.

Here’s how to perform OST to PST migration manually. Follow one of these methods to access OST files.

Method 1 – Exporting

With the help of this method, you can easily convert files from OST to PST and save files into Excel and CSV format. Follow these steps to export OST files.

  • First of all, open MS Outlook.
  • Go to File tab. Choose “Import & Export” or just press “T”.
  • Click on “Export to File” and select “Next” button.
  • Choose Personal File folder and click “Next” again.
  • Click on parent root and select “Include subfolders” option. Thereafter, you have to browse and choose target folder. Click Finish to end the process.
Note: You have to connect Outlook to Exchange server to make this method to work.
Method 2 – Archiving

Use this method to export data to PST file. Here are the steps –

  • First of all, launch MS Outlook.
  • Select File > Archive.
  • Choose folder or file you like to archive.
  • Browse the location to save archived file in PST format.
  • Click on Finish button.

This method can help you convert all the OST data, excluding Contacts.

Method 3 – Transfer Items to New PST data

With this method, you can move OST mailbox items into new PST data.

  • First of all, open MS Outlook.
  • Create new PST data in your Outlook profile
  • Choose all the folders that should be moved to PST file for you.

Note – It won’t allow you choose Contacts, Inbox etc. or other default folder to export into PST format. All you need to copy folder.

If these manual procedures take time and seem difficult, Regain OST to PST converter is another alternative to safely transfer files. It is very user-friendly tool to migrate OST data in several other formats like MSG, EML etc. Here are some of the vital features –

  • Deals with all alignment errors on PST and OST files
  • Performs recovery in Standard, Deep and Advanced mode
  • Save files in several formats
  • Save and load OST recovery snapshot
  • Supports all Outlook versions