Office 365 Email Archiving – Complete Guide

Office 365 is one of the most popular cloud platforms used by businesses and professionals around the world. It includes tools like SharePoint, OneDrive, and Teams along with the email handling. Among these, Office 365 Email Archiving is a very critical task that helps store, organize, and secure old emails.

In this blog, we’ll explain what Office 365 email archiving is, why it’s important, and the best way to manage your archived data easily.

What is Office 365 Email Archiving?

Office 365 provides users with an extra mailbox called an Archive Mailbox. This mailbox is used to store older or less-used emails, helping to keep your main mailbox clean and organized. But, archiving is not only about shifting emails to the archive mailbox; it is about backup.

Why Archive Emails in Office 365?

Archiving emails gives you extra protection and better control over your data. Here are some main reasons why archiving is important:

• To Avoid Primary Mailbox Overload: Sometimes the mailbox fills up with old messages. Archiving moves older emails to another mailbox, so your main inbox runs smoothly.
• To Find Emails Easily: Archived messages remain searchable, which makes it easy to find old emails whenever you need them.
• For Long-Term Storage: You can keep old emails for years without worrying about storage limits.
• To Protect Data: If emails are deleted by mistake, you can still find them in your archive mailbox.

Methods to Enable Office 365 Email Archiving

There are two ways to enable and use email archiving in Office 365 — a manual method and a professional tool.

1. Manual Method – Enable Archive Mailbox in Office 365

You can turn on the archive mailbox manually through the Microsoft 365 Compliance Center.

Steps:

1. Log in to the Microsoft 365 Compliance Center: https://compliance.microsoft.com
2. In the left menu, go to Data Lifecycle Management → Archive.
3. You’ll see the list of user accounts.
4. Choose the user you want to enable archiving for.
5. Click on Enable Archive.
6. After enabling, an archive mailbox will appear.

Set Up Automatic Archiving with Retention Policy:

You can make the process automatic by using retention policies that move old emails to the archive.

Steps:

1. Open the Microsoft 365 Compliance Center.
2. Go to Data Lifecycle Management → Retention Policies.
3. Click Create Policy → choose Email Messages.
4. Set how long emails should stay in the main mailbox (for example, move items older than 2 years to the archive).
5. Apply the policy to the selected mailboxes.
6. Save and publish it.

Once done, the selected emails will automatically move to the archive mailbox.

Things You Should Be Aware of:

• The archive mailbox just stores the archived emails/ old emails in this folder. It consumes space allotted according to the plan.
• If you lose your access to emails due to deletion or inaccessibility, then you will not have another copy.
• Creating a large archive mailbox will put an extra load on your cloud storage, hence on the cost of the Office 365 plan.
• Archiving Office 365 emails in a local machine provides direct access to data and reduces the cloud storage.

2. A Professional Solution – Regain Office 365 Email Archiving Tool

The Regain Office 365 Backup Tool is a simple and reliable way to archive Office 365 emails automatically. It allows users to export and save emails in the local system in various file formats with full data security.

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Steps to Use the Regain Office 365 Email Archiving Tool:

1. Download and install the Regain Office 365 Archiving Tool.
2. Launch the software, click on Mailbox backup option given on the ribbon bar.
3. Log in using your Office 365 admin credentials.
4. The tool will automatically detect all mailboxes. Select the mailbox or folders you want to archive.
5. Choose the file format (like PST, EML, or MBOX).
6. Choose a destination path to save the archived emails.

Some Key Features Offered By the Regain Office 365 Backup Tool

• Save your Office 365 emails in multiple file formats such as PST, EML, EMLX, MBOX, MSG, vCard, and more.
• Effortlessly migrate Office 365 data to any IMAP-supported email client/ server like Gmail, Zoho.
• The software allows you to back up Office 365 mailboxes of any size without limitations.
• Moreover, it can migrate Office 365 tenant-to-tenant.
• Preserve the original folder structure and ensure complete data integrity with this software.
• It also supports backup of On-premise Exchange Server accounts.
• The Regain Office 365 Backup Tool allows users to choose or exclude specific folders before starting the backup process.
• Try the free demo version to evaluate the tool’s performance and features before purchasing.
• Fully compatible with all versions of the Windows operating system.

Wrapping Up:

Office 365 Email Archiving helps users keep their mailboxes clean and protect important emails. It’s a smart way to manage old or inactive message threads without deleting them. While you can archive using a professional solution like the Regain Office 365 Archiving Tool. It makes the process faster, safer, and more efficient. It’s the best way to ensure that your Office 365 emails are always secure and easily accessible whenever you need them.

Frequently Asked Questions:

Q1. Does Archive Mailbox have a separate storage quota other than the primary mailbox?
A. Yes, the Archive mailbox has its own separate storage other than the primary mailbox storage.

Q2. Can we have unlimited storage in the Archive Mailbox?
A. No. Initially, 100 GB of storage is granted to the archive mailbox. If you need to store a large amount of data, then it is recommended to save it in the local storage.

Q3. Is there any data limitation with Regain Office 365 Email Backup Tool in backing up the Office 365 mailbox data?
A. No, there is no such data limitation with this professional utility. You can take a backup of unrestricted data.

Q4. Which file format is recommended for Office 365 email archiving?
A. The need and recommendation varies as per the user. However, PST is a recommended file format as it can be opened with any Outlook account, and you can have access to your archived email data.