Customer service phone numbers - Microsoft Support
For Unified/Premier, you may create a ticket online or contact our support by signing in to Engage Center. Please note that numbers marked as Toll Free are accessible for local calls only.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com
Applies To:
Outlook.com
Add Your Work or School Account to a Windows Device - Microsoft Support
What are the benefits of signing in to all apps on my device? You're also automatically signed in to all your desktop apps with your organization's account. You are being compliant with your organization's policies, and you get more security features.
How to add and change an email signature in Outlook
How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Outlook on the web, Outlook.com, Microsoft Office, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Download Microsoft Authenticator | Microsoft Support
iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.
Sign in to SharePoint - Microsoft Support
This behavior is by design to make signing in easier and more convenient. To use multiple Microsoft accounts at the same time, try one of these solutions: Log in using your browser's private mode. Create separate browser profiles in Microsoft Edge, one for each of your Microsoft 365 accounts. Log in using your browser's private mode
Applies To:
SharePoint in Microsoft 365
Sign in to Microsoft 365
Common question about signing in to Microsoft 365 or Office We recommend staying signed in to Office so that your apps remain activated. What happens if I sign out of Microsoft 365 or Office? If you sign out, your apps will be deactivated. You can view and print files, but not create or edit files, until you sign back in.
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, Visio Plan 2, 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 for the web, Word for the web, OneNote for the web, PowerPoint for the web, 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, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Microsoft Office
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Having problems with your product key?
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, Office 2016, Microsoft 365 for home, Microsoft365.com
Microsoft Support
Find solutions Signing in with Microsoft How to sign in to a Microsoft account Help for accounts in Windows Back up your accounts in Microsoft Authenticator