How to Import IMAP into Office 365?

Sarabjeet Kaur | Cloud Backup Email Backup email migration How to's mac os Software Technology Windows | 4 minutes read | Last updated on January 28th, 2023,
IMAP TO Office 365 Migration

If you want to know how to import IMAP into Office 365 efficiently in very less time then you are on right place. Read the blog till end to know the best suitable method with all the associated pros and cons. There are various methods available for moving IMAP email accounts to Office 365 account, here in this blog we explain two among them. One of them is manual method and other one is a third party software i.e. IMAP to Office 365 Migration Tool. Let’s start with the first one.

Import IMAP Data into Office 365 Account Manually

  1. Open Office 365 account and fill all the login details of your admin account i.e. email address and password.
  2. Now go to Setup and then click on Data Migration.
  3. When you click on Data Migration, a new window “Select your data service” opens with the list of various email Providers. Choose the email provider as per your requirement.
  4. Further choose desirable user account in which you want to transfer IMAP database and enter login details of all those user accounts which are selected earlier.
  5. Once you filled all the required information, click on Start Migration which is available at the left side of display.
  6. The migration process start right away after pressing Start Migration button and show these status: Starting – Queued –Syncing until the process is completed. Once the process is completed it will show Synced status, press Stop Migration.
  7. Finally press Close Connection button to finish the process.

Shortcomings of Manual Method

  • The method is not suitable for all those user who wants to transfer contacts, tasks, calendar, journal etc. to Office 365 account as the method is only capable of transferring IMAP Server mails to O365 and not the other database.
  • There is file size limitation of up to 35 MB only to import IMAP Server account to Office 365.
  • Manual Method can transfer only 500000 items per user account to Office 365 account.

Direct Solution- IMAP to Office 365

IMAP Backup Tool is a third party software which import IMAP accounts into Office 365 account in a very sophisticated manner. Using this software for conversion process has many benefits. The software is capable of fulfilling all the requirement of users. Let’s see the working in brief to know more about the software.

Download IMAP Server to Office 365 Tool in your system.

Now fill all the details of IMAP server i.e. email address and password.

The software load all the folders found in IMAP Server and start displaying it in the left panel.

Then select output option as Office 365 in Select Saving Option of the software and enter login details of Office 365 admin account

Now click on Backup button to start the conversion process, the software shows the Live Conversion Status which will be end in few seconds.

Finally a pop-up Windows open with a message “Conversion Completed Successfully”, press Ok to end the process.

Benefits of Using IMAP to Microsoft 365 Software

  • The software is capable of transferring all mailbox of IMAP to Office M365 account. It migrate each and every selected IMAP Server mail to Office 365 account.
  • IMAP Email Backup Tool import email from IMAP Server to Office 365 along with associated attachments. The software export attachments of all type such as images, docs, xls, pdf etc.
  • It is compatible to almost all IMAP Servers and can migrate email from multiple IMAP Server to Office 365 account.
  • The tool just need login details of Office 365 admin account and IMAP details such as IMAP Server name, port no, email address and password for moving IMAP email accounts to Office 365.
  • It provides various advance filters such as to, from, subject, date etc. to save IMAP Server emails in Office 365 account according to user’s requirement.
  • While moving IMAP email accounts to Office 365, the software maintains folder hierarchy so that user don’t find any difficulty in finding files and folder after conversion.
  • The tool also preserve all the properties and Meta formatting of emails after they get transferred to Office 365 account. IMAP Server Backup Tool also export database with 100% accuracy and integrity.
  • It is an amazing software which supports all Win OS (Win 11, 10, 8.1, 8, 7, Vista, etc.) and Mac OS (on Mac OS 13, 12, 11, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6, etc.).

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Download Free Trial Version

IMAP Mail Server to Office 365 Tool trial version is available for user convenience. The trial version gives complete preview of the software which allow users to convert first 25 emails from IMAP Server to Office 365 without charging any external fee.


We hope after reading this blog you can easily import IMAP into Office 365. Here we discussed two method though which the process of moving IMAP email accounts to office 365 become so effortless. If you are a risk averse person and a safe tool for conversion process then use IMAP Backup Tool for Mac & Windows OS without thinking twice. But if you are ready to take risk with your database then manual method can also be useful.