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Add or remove an address book - Microsoft Support
Remove an address book On the File tab, click Account Settings > Account Settings . On the Address Books tab, click the address book that you want to remove, and then click Remove .
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Change default programs in Windows - Microsoft Support
To change the default app, you can do either of the following: Set a default for a file type or link type In the search bar, enter the file type or link type you want, then select it from the list of results.
Protect my PC from viruses - Microsoft Support
Make sure User Account Control (UAC) is turned on - When changes are going to be made to your PC that require administrator-level permission, UAC notifies you and gives you the chance to approve the change.UAC can help keep viruses from making unwanted changes. To open UAC, swipe in from the right edge of the screen, and then tap Search. (If you're using a mouse, point to the upper-right ...
Uninstall Office from a PC - Microsoft Support
Select Programs > Programs and features. Select your Microsoft 365 product and choose Uninstall . Tip: If you installed the Microsoft 365 apps as part of a suite, such as Office Home and Student or Microsoft 365, search for the suite name.
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Use the System File Checker tool to repair missing or corrupted system ...
Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
Reinstall OneDrive - Microsoft Support
The OneDrive app comes with Windows 8.1 and Windows RT 8.1 and cannot be uninstalled, but you can uninstall OneDrive from Windows 7, Windows Vista and some versions of Windows 10. Select the Start button, type Programs in the search box, and then select Add or remove programs ( Add Programs in Windows 7).
Applies To: OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Exchange Server SU updates Add/Remove Programs incorrectly (KB5007043)
In Control Panel, the Add/Remove Programs item doesn't display the updated Microsoft Exchange Server version after you apply a security update. This issue occurs because the registry value at the corresponding path is updated incorrectly during the installation. Resolution.
Troubleshooting tips for installing and updating Microsoft Edge
Here’s how to reinstall Microsoft Edge whether you’re a Windows or Mac user: Open any working browser. (Note: If you’re a Windows user and your Microsoft Edge is not currently functioning, to open Internet Explorer, type IE in the search box on the taskbar and then select Internet Explorer from the results.Or press the Windows logo key on your keyboard and then type IE in the search bar.)
Zip and unzip files - Microsoft Support
To zip (compress) files. In the search box on the taskbar, type file explorer, and then select it from the list of results.Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder.. To decompress files. Open File Explorer and find the compressed folder.
List of security program cleanup and uninstall tools
Make sure to remove all other security programs that are installed on the computer before you install MSE. This includes any free or trial products that were pre-installed when you bought the computer, even if they were never activated. Note Before you uninstall your virus scanner, make sure that the Windows Firewall is enabled, and make sure ...