I can't sign in to my Microsoft account | Microsoft Support
If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.
Applies To:
Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft 365 Family, Microsoft 365 Personal, Microsoft account dashboard, Microsoft Teams personal, Microsoft To Do, Outlook for Android, Outlook for iOS
Change or reset your PIN in Windows - Microsoft Support
If the option I forgot my PIN is not available, you must sign in with your password and then reset the PIN from the Settings app. Select Sign-in options and then select Enter your password.
Error 400 when signing in - Microsoft Support
If you see the error when trying to sign in with a Microsoft app, delete or uninstall the app. Then reinstall the latest version from Google Play, the Apple App Store, or the Microsoft Store for your PC.
Applies To:
Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2016, Microsoft 365 for home, Microsoft365.com, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Office, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
Troubleshoot Problems Signing In to Windows - Microsoft Support
Starting your device in Safe Mode can help troubleshoot sign-in problems. If you can sign in using Safe Mode, it means that basic device drivers and default settings weren’t causing the sign-in problem.
Sign in to Microsoft 365
If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.
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, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Project for Office 365
Download Microsoft Authenticator | Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Verifying your identity when signing in - Microsoft Support
If you see the message when signing in, choose one of these methods to add another way to sign in. In the window that pops up when signing-in, select Next and follow the prompts to add another way to verify it's you. On your computer, go to the Security info page of your MySign-ins dashboard.
Applies To:
Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Microsoft 365 Apps for business, Microsoft 365 Business Premium, Microsoft 365 Copilot app for Android, Microsoft StaffHub, OneDrive for Mac, OneDrive for Windows
Sign in using Microsoft Authenticator
On your remote screen, sign in using your work or school account credentials. After you complete your authentication on the remote screen, return to Authenticator to complete setup.
What happens if there's an unusual sign-in to your account
If you sign in to your account while traveling or if you install a new app that signs in with your account, you may get an alert. We just need you to provide a security code so we know it was you, and that your account is safe.
Applies To:
Microsoft account dashboard
Sign in to Xbox | Xbox Support
Use our Sign-in Helper for quick assistance: If you’re having trouble signing in to your Xbox account, Sign-in Helper is the fastest way to get signed in. It will ask you for your email address or phone number, check your account for any problems, and tell you what you need to do to sign in.