How to Import Outlook Calendar to Office 365? Complete Tutorial

Mark Regan ~ July 15th, 2022 ~ Import Calendar

In this write-up, we will show you a complete guide to import Outlook calendar to Office 365 using the manual and professional solutions. here we will describe complete information about the process to migrate Outlook calendar to Office 365.

We all know that calendars play an important role in a way to manage all the monthly schedules. Even I also use to maintain all my meetings and events schedules on my Outlook calendars.

Due to my work, I have to travel to different countries. Therefore, I planned to migrate calendar to Office 365 Online in a way to easily access my calendar data anywhere. But the problem was, that I did not know the way to move Outlook calendars to OWA (Outlook Web Access) account.

Then, one of my colleagues guided me through the whole process to import Outlook calendar to Office 365 cloud. I performed the whole process and transfer the Outlook calendar to Office 365 account easily. In the following segment, I have come up with a solution after giving my hands-on to import Outlook calendar to Office 365.

User Query: Hello! I am Johnson. Due to my extremely busy schedule, I have saved all the meetings in my Outlook Calendar to avoid the delay. As it helps me in remembering the important dates and meetings. Now I have switched my email application from Outlook to Office 365 to access it anytime and anywhere. Without facing any issues, I need to migrate calendar to Office 365. Can anyone please help me out from this issue? Thanks in advance. – Johnson, New York City

How to Migrate Outlook Calendar to Office 365 Manually?

Follow the steps to migrate the MS Outlook calendar to Microsoft 365 mailbox in a systematic manner. My colleague shared two ways with me to import Outlook calendar to Office 365 mailbox. I tried both and described both the methods below:

  1. Open your MS Outlook application on your Windows machine.
  2. Once the MS Outlook is opened then, from the main interface of the application, Choose Calendars, which is just above the ending of the screen.


  3. Go to File >> click on the “Save to Calendar” option.

    Save to Calendar

  4. Now, you can save calendar data at the desired location on your machine. Give a name to your ICS file and click on the Save button.

    desired location

  5. Now, you have your Outlook Calendar files on your machine with the file extension ICS. Let’s proceed further to import it into MS Office 365 mailbox.
  6. Log in to your MS Office 365 account by entering the credentials.

    MS Office 365 account

  7. Click on the Calendar option from the interface of the Microsoft 365 account.

    Calendar option

  8. Click on the option “Discover Calendar” to import Outlook calendar to Office 365.

    Discover Calendar

  9. From the appeared Window, click on the “From File” option, which is there on the left panel of the screen.

    From File

  10. Now, click on the browse button to upload the ICS file on your MS Office 365 account from the stored location.

    upload ICS

  11. Click on the Import button to start the process.

    Import button

  12. Once the process is completed, you will get a notification.

    process is completed

While executing this process, I found some limitations, which I want to share with you also.

Limitations: The above–mentioned process is quite lengthy and time–consuming. Apart from this, even a proper internet connection is required to import calendar to Office 365 account. If there are several files then, it will take a lot of time to import into the cloud mailbox.

After facing such limitations, I moved to another method that my colleague had shared with me. It’s a direct solution to migrate Outlook 2007, 2010, 2013, 2016, and 2019 calendars to Office 365.

Trouble-Free Solution for Import Outlook Calendar to Office 365

Download BitRecover PST to Office 365 Converter is a perfect software that is programmed in such a way that it easily open PST file in Office 365 with all emails, contacts, and calendars. The tool gives a direct option to save all the data to Outlook Online. The PST File converter supports all Outlook versions to perform the data migration process. The tool supports both ANSI and Unicode PST files to migrate PST calendar to Office 365. One can easily access the application on all Windows OS.

Download for Windows

Download for Mac

Steps to Transfer Outlook Calendar to Office 365

  1. Download and run Outlook Calendar to Office 365 Converter on your machine.

    import Outlook Calendar to Office 365

  2. The tool provides 2 options to upload Outlook data.

    upload Outlook data

  3. Check the desired option, which you want to import Outlook calendar to Office 365, and click on Next.

    desired option

  4. Now, choose the Office 365 option from the list of file-saving options.

    Office 365

  5. Enter the credentials of the Microsoft6 365 mailbox to directly import Outlook calendar to Office 365 online >> Click on the Convert button to start the process.


  6. The tool shows the live data migration progress report.

    live data to import Outlook Calendar to Office 365

Features and Capabilities of the Tool

With this Converter, you can smoothly acquire the migration without any issues surfacing. This application offers various essential features that make data migration simpler. Some important factors are discussed below that make the data migration:

  • With Safety: Using this application, users can successfully import Outlook calendar to Office 365 account without causing data deletion
  • Accuracy: The kind of accuracy provided with this application makes sure that while data is being converted or transferred to Office 365 mailbox, it is being transferred without any data file modification caused to the file.
  • With Completeness: Meanwhile, users can get the complete procedure of conversion following to migration of the data that includes emails, contacts, calendars, etc.

Summing Up

While migrating from one platform to another, you should always know the potential of both involved platforms. Therefore, after using the whole process to import Outlook calendar to Office 365 mailbox. I have described the complete process, which will help you also.