Migrate Calendar from IMAP to Office 365 – {Updated 2023}

Updated On - July 11, 2023 by Nasir Khan |

Reading Time: 4 minutes

In my opinion, every businessperson and successful person manages their time effectively to increase productivity. Apart from this, they use several calendar utilities such as Google Calendar, Outlook, IMAP, and other email clients, which consist of Calendar features.

However, in the last few years, Office 365 has single-handedly dominated the email market, and several organizations are choosing to increase productivity. In the last years, several users have wanted to migrate calendars from IMAP to Office 365. However, it is not as easy as it sounds, especially manually; it is like a walk on eggshells.

In this write-up, I’ll mention the ways by using which you can easily migrate calendar entries from the IMAP server to Office 365.

Related Blog: Import OST file to IMAP Server Account

How to migrate Calendar from IMAP to Office 365?

Well, using the manual ways to move emails from IMAP to Office 365 is pretty easy. But there aren’t many choices when it comes to moving a calendar from IMAP. But if you want to move from Gmail, you can use MS Outlook to move your IMAP calendar to Office 365 in a simple way.

With the help of MS Outlook, here’s how to move your Calendar from an IMAP account to Office 365.

Manual Steps to Move a Gmail Calendar to an Office 365 Calendar

There are two main steps to this method:

  1. Save your Google Calendar as a file
  2. Add your Calendar to your computer’s Outlook

Note:¬†You can import the Calendar to the Outlook Web app or Outlook on the Web if you don’t have Outlook installed on your computer. We know it’s not as simple as clicking a button, but if you follow the steps carefully, it’s not too hard.

Related Post: Import MBOX files to IMAP server

Step 1: Getting your Gmail Calendar into a file

  1. Go to Gmail and use your account to sign in.
  2. Click on the menu icon in the upper right corner and choose Calendar. 1
  3. When the calendar window comes up on the screen, go to Settings. 2
  4. Choose Import & Export from the menu on the left, and then click Export. 3
  5. Choose a place on your computer where you want to save the file.
  6. Now, go to where you saved the file and unzip it.

After the file has been extracted, it can be brought into MS Outlook.

Step 2: Bring your Calendar into Outlook on your computer

Make sure the Calendar is set up with the Office 365 account, where you want to export the IMAP contacts before you import it to Outlook. After setting up your Office 365 account, do the following:

  • On your computer, open MS Outlook and click Calendar.
  • Now, go to the File tab, click Open & Export, and then click Import/Export.
  • The Import and Export wizard will appear on the screen. Choose Import an iCalendar or vCalendar file and click Next. 4
  • Look through the files you took out of Gmail, then choose the one that ends in “” and click “OK.” A pop-up window will appear on the screen. Click Import. 5
  • Now, go to the calendars section of MS Outlook; your Gmail calendar will be there.

You can easily move your Calendar from Gmail using this method, but what if you want to move your Calendar from another IMAP server? Not all IMAP email clients let you export calendars on their own. This method also only works with Outlook 2016 and 2013, and you can only use it if you have set up MS Outlook to work with your Office 365 account. Also, the process takes time and needs Outlook and Office 365 to be set up.

Related Post: How to Merge Two IMAP or POP3 Email Accounts in Outlook?

Reliable way to move calendars from IMAP to Office 365

Regain IMAP to Office 365 Migration is a powerful and dedicated tool for moving IMAP email, Calendar, contacts, and other data into an Office 365 account. With this powerful and unique IMAP to Office 365 tool, you can access and export all your data from IMAP-supported email services like Gmail and Yahoo. It is the tool that experts recommend for moving calendars from IMAP to Office 365 without losing any data. So, what are you waiting for? Download Microsoft Office 365 and export all your emails, contacts, calendars, etc.

Free Download100% Secure Buy NowPrice: $29


Almost everyone has heard the proverb Time is money, and to manage time, many businesspersons take the help of calendar utilities. Nowadays, users are using Office 365 to collab and communicate with clients and fellows; a good thing is it also offers calendar features. Now several users want to migrate calendars from IMAP to Office 365 mailboxes. In this write-up, I’ve mentioned a free manual solution to migrate Gmail calendars to Office 365 mailboxes. However, not every IMAP email-based email client offers utilities to migrate calendars. It is suggested to use the Regain IMAP to Office 365 migration tool to migrate Calendar from any IMAP-based email client.

Author: Nasir Khan

I am Nasir Khan from India, working as a Content Developer in Regain Software. Here I am writing about our products and their updates. And writing some free solutions from converting emails or Cloud Migration process. We have tools like Email Converter, Emails backup and Cloud migration.

One thought on “Migrate Calendar from IMAP to Office 365 – {Updated 2023}”

  1. Avatar Harry Maier says:

    I was looking for an easy way to migrate my calendar from IMAP to Office 365, and this article was extremely useful! It provided great step-by-step instructions that allowed me to complete the process with no issues. I highly recommend this resource!

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