How to Migrate IMAP Server to Office 365 Account Directly ?

Mark Regan | June 28th, 2021 | Transfer data


Internet Access Protocol (IMAP) is almost universally compatible. If you need to migrate IMAP to Office 365 for Windows & Mac OS, then, it is a safe bet that you will probably need a reliable IMAP to O365 migration tool.

If your organization has a huge number of users and wishes to migrate IMAP email to Office 365 for Mac & Windows OS, then there will be a mandatory requirement to work with an experienced IT support services provider.

Whoever handles the IMAP migration process must be completely familiar with email flow and how it works. Everything from the IMAP server needs to get into your Office 365 account without any glitches.

There are numerous benefits to migrate email from IMAP to Office 365 – increased workforce productivity, business continuity, and many more. However, to migrate IMAP to Office 365 isn’t that simple as it seems. One wrong move and all your organization’s email messages could go down.

IMAP to Office 365 Migration tool – Automated Solution

For backing up data in the cloud, Office 365 is mostly preferred for everyone. That’s the reason why users migrate IMAP email to Office 365 premises. Hence, if you also want to convert IMAP to Office 365 account for Windows & Mac OS, then a third-party solution like the BitRecover IMAP Mail Backup tool is the most recommended solution.

Easily install the demo version of IMAP email migration to Office 365 tool

IMAP to O365 migration tool is the easiest utility available on the online market to install and configure. The installation and setup of this software do not require any technical proficiency and are completed within a few seconds. Since this tool contains no dependencies and is programmed to process almost everything from the IMAP server thus, its configuration is efficient and intuitive.

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How to Migrate IMAP Mailboxes to Office 365 Account ?

The BitRecover IMAP to Office 365 migration tool helps to migrate a single or multiple mailbox from source IMAP server to the destination Office 365. Below are the instructions about how to migrate IMAP email accounts to Office 365.

IMAP migration to Office 365 step by step procedure-

Launch the software to migrate IMAP emails to Office 365 for Windows & Mac OS. The welcome screen of the software is as shown in the screenshot.


Now, to connect to the IMAP mailbox page, just enter the source IMAP server credentials. Then, provide the email address, password, IMAP host and IMAP Port No. and tap on the login tab to proceed further.

If you are having multiple IMAP server mailboxes then, enable the “Use Batch Mode” option. Once you click on it, the following screen will display.

To do this, firstly, create a CSV file, and input all of the email addresses and password of multiple IMAP server accounts. Save this file to a convenient location on your computer. Click on the folder icon located in the software and import this CSV file and lastly, tap on the Next button.


Another option that you can use is Proxy Server for connecting your IMAP server with different locations. So, for this, enter the Proxy address and Proxy Port No.


Then, the migrate IMAP to O365 utility will automatically locate all emails present on your IMAP mailboxes. You can alter the default behavior by selecting desired mailboxes for the migration via checkboxes.


Now, choose Office 365 from the saving options available in the tool. Also, enter the Office 365 user email ID and password.

Please Note- If you are an admin then, check the option “I am Admin.” It helps to perform multiple account mapping. For using the user accounts be to ensure that Application Impersonation, as well as mailbox delegation, is allowed.

Now, in order to select some selective emails, you can apply different filter options given in the tool. For this, click on the check box of the “Use Advance Settings for Selective Backup” option.

Thereafter, hit on the backup button to start migrating emails from IMAP to Office 365 premises.

Salient Features of Software to Convert IMAP Emails to Microsoft 365

CSV file for multiple IMAP server mailbox backup

For convenience, the users can migrate multiple IMAP mailboxes to Office 365 for Mac & Win OS by using a CSV file. This CSV file comprises the source IMAP server credentials of different email accounts. You can import this CSV file to GUI to automate the conversion.

Smart and Advanced Filters

This IMAP to Office 365 migration tool is the most flexible and customizable utility. Using an array of custom options, you can easily alter the default behavior of the entire migration to meet the specific requirements. By choosing these options, the users can apply criteria that filter the email messages in different ways.

  • Migrate all IMAP email folders or individual folders.
  • Migrate IMAP to Office 365 with a specific subset of messages that fall within a certain date range.
  • Easily migrate IMAP email accounts to Office 365 by applying filters like From, Subject, To.

Maintains data integrity

The original email messages including the metadata are entirely preserved during the migration process. Moreover, the source IMAP server emails do not get compromised in any way – it remains in the same way after the post-migration.

  • The tool migrates and maintains attachments during the conversion of IMAP mailboxes to Office 365 account.
  • The embedded images are preserved with the emails throughout the transfer IMAP to Office 365.
  • Migrate single IMAP file/folders or all files/folders in one go.

Simple and Intuitive Interface

This tool is extremely intuitive, powerful, and trustworthy. It is designed to offer a positive migration experience for the end-users. The users can migrate single as well as multiple IMAP server mailboxes to Microsoft 365 in batch mode.

Supported data for migration

The users can migrate IMAP to Office 365 email account with all information– emails with attachments, calendars, archives, tasks, contacts.

Similar Reading – Please read How to Migrate IMAP to Gmail account.

FAQ’S About IMAP to Office 365 Tool

Ques1: How to migrate IMAP to Office 365 account ?

Follow steps to migate IMAP email to Office 365:

  1. Launch software to migrate IMAP mailbox to Office 365.
  2. Enter IMAP server login details, IMAP Host, IMAP Port No.
  3. Enable required folders for migration and select Office 365.
  4. Specify the Office 365 credentials and click on backup.
  5. Start to migrate IMAP emails to Office 365.

Ques2: What are the limitations with the free version of the software?

The free version of IMAP to Office 365 migration tool for Windows & Mac OS allows to migrate top 25 data items from each IMAP server folder to the supportable format.

Ques3: While performing migration, Can I avoid migrating Sent items to Office 365?

Yes, you can selectively migrate data to your Office 365 account. Hence, you can exclude the sent items and can move the desired IMAP server emails to Office 365.

Ques4: Can I install this software on my Mac computer?

No, IMAP migration to Office 365 is a Windows-based software only.

Ques 5: I have few attachments with the IMAP emails. Will the tool migrate them also to my Exchange Online also?

Yes, the tool will migrate IMAP mailboxes to Exchange Online  for Windows & Mac OS along with corresponding attachments.

Ques 6: Is there any restriction with the license version for migration of IMAP emails to Office 365?

No, you can convert unlimited emails from IMAP server to Office 365 with the license version using IMAP email migration to Office 365 tool.

Read this Note before using this application:
Minimum hard disk space – 48.7 MB
Supported editions – Windows 10 and prior versions

Let Us Help You!

If you are struggling with any query or doubts regarding how to migrate from IMAP to Office 365, then, you can always contact to our technical support team.