OST file is an Offline Outlook Data File(.ost). It is utilized by various POP & IMAP-based accounts such as Microsoft 365 accounts, Exchange Server accounts, and Outlook.com accounts. If you want to import OST file to Office 365, here we assist in handling migration easily. But migrating large OST files is chaotic and risky. So, we suggest you use a professional MigrateEmails OST to PST Converter Tool for your convenience.".
Migrate Outlook OST file to O365 account through the steps provided below.
1. Install and download the DRS Softech OST to Office 365 Migration tool.
2. Click now on the Select file button in order to load the target OST file.
3. Choose the target folders from the mailbox preview and click on Next.
4. Next, provide your Office 365 sign-in credentials. Click the Sign In button.
5. Select the target user mailboxes and go further.
6. Map OST file with user accounts and select the mailbox type.
7. Now, select all the extra features and click on the Convert button.
Bookmarks