How to Export OST to PST in Office 365?

In this post, we'll go over how to import OST files into Office 365 as well as how to transfer OST files to Office 365 using third-party software.

To move OST to Office 365, there is no direct manual solution available. To use this method, you must first convert OST to PST format, and then upload PST to Office 365 using the Microsoft Network upload method.

This process is lengthy and complicated. Try the OST to Office 365 migration tool if you don't have a technical background. With the help of this software, you may convert OST to Office 365 quickly and efficiently.

  • Export mailbox as a PST file
    Login to Outlook with the Exchange account that was used to create the OST files. And to export the OST mailboxes to PST, follow the simple procedure as given here:

    Go to Files >Open & Export and click Import & Export.Import & Export
    Select Export to a file; then click Next.Select Export to a file
    Select the second option—Outlook Data File (.pst)—and click Next.Select PST file
    Select the folder(s) which you want to export and click Next.Select the folder to export
    Note: You have the option to include subfolders as well.

    Browse the location where you want to save the new PST file 5. and choose an option regarding the duplicate items.

    Note: There is an optional choice to provide a password to the PST file, but you can easily move ahead without choosing it.

  • The most effective way to convert OST file to PST in office 365 is using an automated tool OST to office 365 conversion tool. It has an easy interface with self-explanatory steps.

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