Sign in to Microsoft 365
Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.
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
Error 0x8027025a occurs when you try to sign in or open an XBOX app
If you see error 0x8027025a, close the app and restart. Find more solutions here.
About system updates on XBOX
Learn about the latest XBOX update on XBOX Series X|S and XBOX One consoles and find answers to frequently asked questions about system updates.
Contact us | XBOX Support
Need help with an XBOX console, an XBOX game or XBOX network? Find out how to get in touch with us.
Create an XBOX profile | XBOX Support - support.xbox.com
Learn how to create an XBOX profile using your Microsoft account.
September 14, 2026—KB5129236 (OS Builds 19045.7727 and 19044.7727) Out ...
This out-of-band update includes fixes and quality improvements that are part of the following updates: September 8, 2026—KB5122878 (OS Builds 19045.7725 and 19044.7725) Extended Security Updates (ESU) Licensing Preparation Package for Windows 10 The following is a summary of the issues that this out-of-band update addresses when you install this update. If there are new features, it lists ...
Find your Microsoft account email address | XBOX Support
To access your XBOX profile and other Microsoft services, you need to know the email address and password you used to set up your Microsoft account.
Delete a PivotTable | Microsoft Support
PivotTables help you calculate, summarize, and analyze data so you can see comparisons, patterns, and trends. When you no longer need a PivotTable, select the entire PivotTable and press Delete to remove it.
Applies To:
Excel for Microsoft 365, Excel 2024, Excel 2021
Share your Excel workbook with others | Microsoft Support
Learn how to use the new simplified sharing feature in Excel. Now its easier to share your spreadsheet with others on SharePoint, OneDrive, or OneDrive for Business.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac
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, Office 365 Small Business, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019