How to Find an Outlook Contacts File. Since the release of Microsoft Office 2007, all Outlook contacts are stored in a PST file. Copying your Outlook account's PST file to another computer or ...

If you receive File in Use. The action can't be completed because the file is open in another program even if file is closed in another program, see this.

Working fix for This file came from another computer and might be blocked to help protect this computer error message on Windows 11/10.