Improve accessibility with the Accessibility Checker
Before you send an Outlook email message or share a Word document, Excel spreadsheet, PowerPoint presentation, or OneNote notebook, run the Accessibility Checker to make your content easier for people with disabilities to read and edit.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote 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 2021, Word 2021, Outlook 2021, PowerPoint 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
Delete your Outlook search history - Microsoft Support
Learn how to export or delete your search history in Hotmail, Outlook.com, or Outlook on the web.
Applies To:
Outlook on the web, Outlook.com
Add guests to a team in Microsoft Teams - Microsoft Support
Team owners can add guests to Microsoft Teams by adding their email address. Guests must have a Microsoft 365 work or school account.
Applies To:
Microsoft Teams
New Office theme - Microsoft Support
The new Office Theme is on its way and will soon be available to all Office users. This new look specifies an updated standard color palette and type font that are applied throughout Microsoft Office.
SUMIFS function - Microsoft Support
How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
Export contacts from Outlook for Windows - Microsoft Support
You export contacts from Outlook using the Outlook Import and Export Wizard. You can export contacts to a csv file or Excel.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Microsoft 365 admin, New Outlook for Windows
在 Microsoft Teams 中播放、共享和下载会议录制内容
若要在 Microsoft Teams 中播放录制的会议，请转到会议的聊天历史记录，然后单击“播放”。
Applies To:
Microsoft Teams
Chat and share files in Teams - Microsoft Support
Training: Chat or post something to Microsoft Teams to get the conversation started.
Applies To:
Microsoft Teams
Set app and game limits - Microsoft Support
Learn how to set app, game, and website limits on Windows, Xbox, and Android devices connected through the Microsoft Family Safety app.
Applies To:
Microsoft account dashboard
Fix problems uploading files on the OneDrive website
Learn more about the error messages you might receive when you try to upload files on the OneDrive website.
Applies To:
Office for business, OneDrive (home or personal)