<human>:  How to import PST files to Office 365?
<bot>: Import PST Files to Office 365
1. Open Outlook.
2. Click the File menu.
3. Click Open & Export.
4. Click Import/Export.
5. Select Import from another program or file, and click Next.
6. Select Outlook Data File (.pst), and click Next.
7. Click Browse, select your PST, and click Next.
8. Select Import items into the same folder in.
9. Enter your Office 365 account, and click Finish.