Use the System File Checker tool to repair missing or corrupted system ...
To do this, follow these steps: Open an elevated command prompt. To do this, do the following as your appropriate: If you are running Windows 10, Windows 8.1 or Windows 8, first run the inbox Deployment Image Servicing and Management (DISM) tool prior to running the System File Checker.
Fix your Outlook email connection by repairing your profile
On the Email tab, choose your account (profile), and then choose Repair. Note: The Repair option isn't available if you're using Outlook 2016 to connect to an Exchange account. Follow the prompts in the wizard, and when you’re done, restart Outlook.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Uninstall or remove apps and programs in Windows
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.
Remove malware from your Windows PC - Microsoft Support
Remove malware from your Windows PC. OneDrive (home or personal) OneDrive for Windows. 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.
Applies To: OneDrive (home or personal), OneDrive for Windows
Troubleshoot Outlook for Windows issues - Microsoft Support
If there's no File option, follow the steps under the New Outlook tab. If the File option appears, select the tab for Classic Outlook. For information on emerging or known issues in new Outlook for Windows, go to Fixes or workarounds for recent issues in new Outlook for Windows. New Outlook Classic Outlook.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Resolve Outlook for Windows issues with automated troubleshooting tools
The Microsoft Support and Recovery Assistant can help you automatically diagnose and fix a range of Outlook problems. You will need to download the application to your local computer, sign in with your home, work, or school account and select the issue you want help with.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Download and install Microsoft 365 Access Runtime
Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.
Applies To: Access for Microsoft 365, Access 2021, Office 2021, Access 2019, Office 2019
How to reset the Hosts file back to the default - Microsoft Support
If the Hosts file is changed from default, resetting it can help resolve some connectivity issues. Resolution. To reset the Hosts file back to the default, follow these steps according to your operating system: Windows 11. To do this, search for “Notepad”, and then tap or click the. 6.
Sign in to SharePoint - Microsoft Support
Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.
Applies To: SharePoint in Microsoft 365
Download and install or reinstall Office 2019, Office 2016, or Office ...
Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013