How to Migrate Calendar from IMAP to Office 365
Numerous businesses use IMAP-enabled email accounts, whether it has a custom domain or a generic email domain. However, due to the continuously increasing demand for cloud platforms, these organizations start shifting their data to Office 365. Therefore, they are looking for easy methods to export complete IMAP mailbox data like emails, contacts, and calendars. In this article, we explain how to migrate Calendar from IMAP to Office 365 account.
When we talk about an IMAP account, it can be any email account that has IMAP enabled in it, whether you are using a custom email account or a general account like Gmail, Yahoo Mail, Zoho Mail, etc. These email providers allow you to manage contacts and calendars.
Office 365 is a cloud-based Office suite that provides numerous collaboration and productivity tools and the cloud version of all software of conventional Office Suite. It is no doubt an incomparable utility. Therefore, users want to migrate IMAP Calendar to Microsoft 365. In the upcoming section, we will share different reasons for exporting IMAP calendars to Office 365 accounts.
Migrate Calendar from IMAP to Office 365
When you migrate IMAP to Office 365 account, it will not migrate contacts and calendars. Thus, you need to export calendars separately. In the manual procedure, you perform some simple steps to accomplish the goals. It is a free method and requires some technical knowledge. Another solution is the professional IMAP Backup Tool. It is the best alternative to the manual method. We will explain both techniques one by one.
#1. Manual Solution to Migrate IMAP Calendar to Microsoft 365
In the manual approach, we are explaining how you can migrate calendar from IMAP to Office 365 account without using any third-party solution. The procedure consists of two main steps. First, you have to download the calendar into your system as an ICS file and then import this file to Office 365 configured.
Step 1: Download Calendar from IMAP Enabled Google Account
- Login to your Gmail email account.
- Expand Google apps and select Google Calendar.
- It will open Google Calendars. Click on the Gear icon and choose Settings.
- In Settings, choose the Import & Export tab. Click on the Export button.

- It will download a compressed Zip file locally. Extract the compressed file.
Step 2: Import Calendar to Office 365 Account via MS Outlook.
Before you start importing Google Calendar to MS Outlook, make sure to configure an Office 365 account in your Outlook application. After that, perform the below procedure.
- Launch the MS Outlook application in your system.
- Click File >> Open & Export >> Import/Export icon.
- In the Import Export wizard, select the Import an iCalendar (.ics) and vCalendar file (.vcs) Hit Next.
- After that, choose the extracted Google Calendar file ending with @gmail.com. Click OK. Press Import in the pop-up appeared.
- The selected calendar file has been imported. You can check Google Calendar in Outlook.
The above solution is the manual approach to export your IMAP Calendars to your Office 365 account. This DIY method is quite effective but it does not enable you to exclude unnecessary items while importing Calendars. Therefore, we suggest the professional IMAP Backup Tool for migrating mailbox data.
#2. Automated Solution to Export IMAP Calendar to Office 365
DRS IMAP Backup Tool is a complete and comprehensive solution to migrate IMAP mailbox data to Office 365 accounts. It can efficiently migrate calendar from IMAP to Office 365. It provides you with numerous advanced options to export multiple IMAP accounts instantly. Along with that, you can skip duplicate email items without worrying about data loss.
Steps to Use DRS IMAP Backup Tool
- Download and launch the DRS IMAP Backup Tool.
- Press the Add Row button and provide the required login details. Hit Next.
- Check the mailbox preview and choose desired items. Press Next.
- Specify the destination as Office 365 and press Next. Provide the required login credentials.
- Select the migration options according to your requirement and hit Convert.
Also Read: Convert IMAP to EML.
Conclusion
We have discussed different methods to migrate calendar from IMAP to Office 365 accounts. In the manual approach, you will have to first download Google Calendars as an ICS file and then import this calendar file to Office 365 account via the MS Outlook application. If you want to import calendar from IMAP to Office 365 with advanced features, we recommend the automated IMAP Backup Tool. It enables you to migrate desired items with complete precision.
Frequently Asked Questions
For exporting calendars from an IMAP account to Microsoft 365, log in to your Gmail email account. Open Google Calendars and download the calendars as an ICS file. After that, import the iCalendar file into the Office 365 configured Outlook application.
Follow the below instructions to migrate an IMAP account to MS Outlook.
● Log in to your webmail and open your IMAP mailbox via Roundcube.
● After that, switch to Calendar and click on the Export icon.
● It will download your IMAP calendars in ICS file format.
● Open the MS Outlook application in your system.
● Click File >> Open & Export >> Import/Export option.
● Choose import ics file and then select the downloaded ics file.
About The Author:
Shivam is a digital marketer and technical content writer at DRS Solution®, specializing in topics like databases, email recovery, and migration solutions. She enjoys researching and crafting content that assists database administrators, businesses, and beginners in resolving various issues related to MS SQL, MySQL, and Microsoft Exchange.