Learn how to access SharePoint, a browser-based app for online collaboration and document management, through your web browser. Find out how to check your subscription, troubleshoot issues, and get training for SharePoint.

Learn how to fix issues with files and folders in Windows when you receive an "Access Denied" error message or a similar message. Follow the steps for your version of Windows and the issue that best describes your situation.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

After you set up your security verification methods for your work or school account, you can update the related details. Using the Security info page

Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.

Learn how to download and install Microsoft 365 apps, like Word, Excel, and PowerPoint, on your PC or Mac. Follow the instructions in the browser and sign in with your Microsoft 365 account to activate the apps.

Learn how to add, remove, connect, and disconnect user accounts in Windows 10 and Windows 11. User accounts let each person have their own settings, documents, and applications, and can help with security and privacy.

Learn how to view, install, and change settings for add-ins that enhance your productivity in Excel, PowerPoint, and Word. Find out how to deal with add-in security, compatibility, and device access issues.

Learn how to sign in to SharePoint, create and access sites, upload and share files, collaborate with others, and more. Find links to training and resources for SharePoint in Microsoft 365 and SharePoint Server.

Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to activate Office, troubleshoot issues, and switch languages or bit versions.