Tutorial to Transfer Emails, Contacts & Calendars from Outlook to Outlook.com

Cloud-based applications are always preferred by the users to save their data securely and to access it easily. With cloud services, the users only need a smooth internet connection and credentials of their account. The users are free to view their data anytime and at any platform. Outlook.com is one of the renowned web-mail services similarly, for Windows desktop users, Outlook is the commonly used email client for sending and receiving emails & managing contacts, calendar entries etc. In today’s era, it has been seen that a lot of people are moving from Outlook client to Outlook.com. To move the data from Outlook to Outlook.com, we are providing a simple manual approach in this post that will help users to accomplish the task.

Core reasons for moving files from Outlook application to Outlook.com

Both Outlook and Outlook.com are offered by Microsoft but Outlook is a Windows-based email client for desktop users and Outlook.com is an online email service. This is the basic difference between the two. One of the prime reasons for migrating Outlook PST files to Outlook.com is anytime accessibility of mailbox items from anywhere. Plus, online applications are used to store a large amount of data. Moreover, Outlook fetches various errors in case of exceeding the storage limit. Now, the next question is how to migrate Outlook files to Outlook.com? Get a free of cost solution with step by step working in this post and easily move PST file in Outlook.com account.

Manual Procedure to migrate Outlook data to Outlook.com

There are only five steps to transfer Outlook emails to Outlook.com –

  1. Check whether Outlook.com is configured as Microsoft Exchange account

First of all, the users should check whether Outlook.com is configured as Microsoft Exchange Account. For this,

  • Place mouse cursor on File menu and then go to the Account Settings

If you get “Microsoft Exchange” behind your Outlook.com account, you can move ahead but if it says “Exchange ActiveSync” then you need to re-add Outlook.com account with Auto Account Setup. This will connect Outlook.com as Microsoft Exchange account.

  1. Backup of Outlook PST file

Before starting the migration process, make sure that a backup of Outlook PST file should be stored to save the data from damages and losses. You can make a copy of PST files by keeping it to a safe location when Outlook is closed.

  1. Checking size of PST file

The third-step is to check the size of your PST file because there are some size restrictions in data moving. So, it is always recommended to import only a maximum of 4GB data at a time.

  1. Uploading Outlook data to Outlook.com

When you are fully prepared by following the above 3 steps to migrate all folders of Outlook to Outlook.com account.

Default Mail folders

The default mail folders of Outlook like Inbox, Sent, Drafts etc. may create issues for users to move these folders.

So, the users need to use CTRL + A to select all folders of Outlook and then move the selected items to their corresponding folder in Outlook.com mailbox. You can view the Mail folder in Outlook by pressing CRTL + 1 and press CTRL + 6 to see all folders.


The process to move contacts is similar to moving items from your Inbox folder. You can switch to the list view via Home tab to make the contacts export easier to Outlook.com account.


Calendars are exported from MS Outlook PST to Outlook.com by switching to the calendar view to a list view via View Tab. Press CRTL + 2 to see all Outlook calendars.


To move task, you need to keep two things in mind –

  • No filters should be applied to the tasks while you migrate them to Outlook.com
  • Only tasks folder should be selected not the to-do-list.
  1. Set Outlook.com as default and remove PST from Outlook

To do this, follow the mentioned steps –

  • Go to the File tab and then navigate to the Account Settings.
  • An Account Settings window will open, choose Data Files
  • Under Data Files tab, set OST file of Outlook.com account a default
  • Restart Outlook
  • Go to Data File tab
  • Note PST file location
  • Select PST file and hit Remove button

Concluding Lines

With this write-up, the users will be able to transfer Outlook data files to Outlook.com without any issues. Only a little bit working knowledge of Outlook is needed to perform the migration task. Successful results are gained if the steps are put in the right order.