Open Outlook 365 and click on the File tab in the top left corner.
Select Open & Export and then click on Import/Export.
In the Import and Export Wizard, choose Import from another program or file and click Next.
Select Outlook Data File (.pst) and click Next.
Browse your computer to find the PST file you want to import, select it, and choose the appropriate options regarding duplicates.
Click Next and choose the folder you want to import the data into. If you want to import everything, select the root folder and make sure the box marked Include subfolders is checked.
Finally, click Finish to start the import process.
Using these steps, you can efficiently Import PST File to Outlook 365, ensuring that all your emails, contacts, and other data are seamlessly transferred.
Get more info-https://www.vsoftware.org/import-pst-to-outlook.html