Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

This article describes step for users to allow all Web sites in the Internet zone to run JavaScript in Internet Explorer, Chrome, and Firefox.

Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

Notes about this update. When this update is installed, Windows may attempt to download and install feature updates to your device if it is approaching or has reached the end of support for your currently installed Windows version.

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

Learn how to use OneDrive Files On-Demand to sync your OneDrive files and save disk space in Windows 10.

Kokeile näitä ratkaisuja, jos et voi kirjautua Outlook.com-, Hotmail-, Live- tai MSN-sähköpostitiliisi tai jos et ole varma, miten kirjaudut sisään tai ulos.

Get answers to questions about how indexing affects searches in Windows 10.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.