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Use the System File Checker tool to repair missing or corrupted system ...
If the steps above don't work, you may need to reinstall Windows. For more info, see Windows 10 recovery options. Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.
Uninstall or remove apps and programs in Windows
Windows 10. 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. Windows 11 Windows 10.
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
All Outlook Data Files (.pst) and Offline Data Files (.ost) are listed along with the name of the account the files are associated with. If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Download Internet Explorer 11 (Offline installer) - Microsoft Support
Download Internet Explorer 11 (Offline installer) - Microsoft Support. Windows 7. Microsoft Edge is the browser recommended by Microsoft. Support for Internet Explorer ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge. Get started with Microsoft Edge.
Open an existing database - Microsoft Support
In Windows Explorer, navigate to the drive or folder containing the Access database file you want to open and double-click the database. Access starts and the database is opened. Open a database from within Access. If Access is already running, use the following procedure to open a database.
Applies To: Access for Microsoft 365, Access 2021, Access 2019, Access 2016, Access 2013
Which Access file format should I use? - Microsoft Support
The .accdb file format that was introduced in Access 2007 offers many benefits that are unavailable in earlier file formats. If you are upgrading to from a version of Access prior to Access 2007, you may have databases files that use an .mdb file format. In most cases, you should save these databases using the .accdb file format .
Applies To: Access for Microsoft 365, Access 2021, Access 2019, Access 2016
Remove malware from your Windows PC - Microsoft Support
Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.
Applies To: OneDrive (home or personal), OneDrive for Windows
Download and install or reinstall Office 2019, Office 2016, or Office ...
From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Fix File Explorer if it won't open or start - Microsoft Support
To open File Explorer in Windows 11, select File Explorer on the taskbar or press the Windows logo key + E on your keyboard. Here are some things to try if File Explorer won't open. Check for updates. Restart your device. Reset your PC.