Repair Outlook Data Files (.pst and .ost) - Microsoft Support
You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.
Applies To: Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft365.com, Microsoft Office
PSSDIAG data collection utility - Microsoft Support
After you have extracted the PSSDIAG files from the package on the Microsoft Download Center, run Pssdiag.exe to start the data collection. When PSSDIAG starts, it first opens, and then configures the log files it has been configured to capture. This process may take several seconds.
Perform an offline system update | Xbox Support
Learn how to update your Xbox console offline with step-by-step instructions and troubleshooting tips for a smooth experience.
Automatically diagnose and repair Windows file and folder problems ...
Troubleshoots and fixes common issues with file and folder operations in Windows.
Use the System File Checker tool to repair missing or corrupted system ...
Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Fix problems that block programs from being installed or removed
To access the code, you'll need a tool for reading MSI files—which is typically available to IT professionals. You'll find the product code in the property table of the MSI file.
Export emails, contacts, and calendar items to Outlook using a .pst file
To import from a .pst to a mailbox, you need to use the desktop version of Outlook (also known as classic Outlook) following the steps below.
Applies To: Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows
Find and transfer Outlook data files from one computer to another
You may have an Offline Folders (.ost) file, but that file is automatically recreated by Outlook when you add a new email account. You can't move that file from one computer to another.
Applies To: Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
File types supported for previewing files in OneDrive, SharePoint, and ...
You can preview hundreds of file types in Microsoft Teams, OneDrive, and SharePoint, without installing the application used to create the file. The previews and thumbnail images appear in the web view and for customers using Files On-Demand in Windows 10.
Applies To: SharePoint Server Subscription Edition, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Windows