How to Import Outlook Calendar to Office 365 – Complete Tutorial

Mark Regan | June 9th, 2021 | Import Calendar

Import Outlook Calendar to Office 365 Online

Let’s know the process to Import Outlook Calendar to Office 365 free of cost. 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 schedule on my Outlook calendars. Due to my work, I have to travel to different countries. Therefore, I planned to import Outlook calendar to Office 365 Online in a way to easily access my calendar data anywhere. But the problem was, I did not know the way to move Outlook calendars to OWA (Outlook Web Access) account. Even, various other queries started coming in my mind like:
  • How to import Outlook 2019, 2016, 2013 calendar to Microsoft 365?
  • How to transfer Outlook calendar to Office 365 mailbox directly?

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

Steps to Transfer Outlook Calendar to Office 365

Follow the steps to migrate MS Outlook calendar to Microsoft 365 mailbox in a systematic manner. My colleague shared two ways with me to export Outlook calendar to O365 mailbox. I tried both and described both the methods below:

Method 1: Manual Solution

  • Open your MS Outlook application on your Windows machine.

MS Outlook

  • 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.

Choose Calendars

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

Save to Calendar

  • 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.

Save calendar data

Now, you have your Outlook Calendar files on your machine with the file extension ICS. Let’s proceed further to import it on MS Office 365 mailbox.

  • Login to your MS Office 365 account by entering the credentials.

Office 365 account

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

Calendar option

  • Click on the option “Discover Calendar” to import Outlook desktop calendar to Outlook Online.

Discover Calendar

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

Discover Calendar

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

Upload ICS file

  • Click on the Import button to start the process.

Import button

  • 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 process is quite lengthy and time-consuming. Apart from this, even a proper internet connection is required to import ICS files into 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, 2019 calendars to OWA.

Method 2: Trouble-Free Solution

Download 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 application 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.

Simple Steps to Import Outlook 2007, 2010, 2013, 2016, 2019 Calendar to Office 365 Account


Outlook Calendar to Office 365 Converter

  • The software gives dual options to upload PST files on the tool’s panel. Choose the desired option accordingly:
  1. Select Files: Allows to load Outlook PST files one by one.
  2. Select Folder: Allows to upload folder having various PST files at once.

Dual options

  • If you choose the Select File option then, browse the PST file from the stored location.

Select File option

  • Preview the PST file location, once it is uploaded on tool’s panel and click on Next button.

 PST file location

  • Check the desired option, which you want to import to Office 365 mailbox, and click on Next.

Check the desired option

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

Choose Office 365 option

  • 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.

Credentials of Office 365

  • The tool shows the live data migration progress report.

Migration progress report

  • Once the data migration process is completed, you will get the message of completion.

Process is completed

Outlook Calendar to Office 365 Converter – Powered With Lineaments

With the Outlook Calendar to Office 365 Converter, you can smoothly acquire the migration without any issues surfaced. Outlook Calendar to Office 365 Converter offers various essential features that make the data migration simpler. Out of which some important factors are discussed below that makes the data migration:

With Safety

Using this application, users can successfully migrate Outlook calendar to Office 365 account without causing data deletion.

With 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. If you get stuck at any point then, feel free to contact us.