Microsoft account security info & verification codes
Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.
Applies To:
Microsoft account dashboard
Use the System File Checker tool to repair missing or corrupted system ...
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.
Install Office updates - Microsoft Support
Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, InfoPath 2013, InfoPath Filler 2013
View display settings in Windows - Microsoft Support
Learn how to use the Settings app to view and change display settings in Windows.
Outlook.com に対してサインインまたはサインアウトする方法 - Microsoft サポート
Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。
Applies To:
Outlook.com
Connect to a Wi-Fi network in Windows - Microsoft Support
Learn how to connect to a Wi-fi network in Windows and manage your current network connections.
Troubleshoot Windows Media Player Errors - Microsoft Support
Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.
Recall an email message that you sent in Outlook
How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
Give your PC a Fresh Start - Microsoft Support
Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.
Solve PC problems remotely with Remote Assistance and Easy Connect
Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.