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Calculate the difference between two dates - Microsoft Support
How to calculate the number of days, months, or years between two dates using the DATEIF function in Excel.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Which version of Windows operating system am I running?
Learn how to find which version of Windows operating system your PC is running and device specifications.
Download free, pre-built templates - Microsoft Support
Find and download free templates to create documents like calendars, business cards, letters, greeting cards, brochures, newsletters, or resumes.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio 2010, InfoPath 2013
Find my downloads in Windows 10 - Microsoft Support
See how to find things you've downloaded on your PC.
Switch to the new Microsoft Teams - Microsoft Support
In the new Teams, you can switch between apps, respond to chat messages, and join meetings and calls more quickly while using less battery and memory.
Applies To: Microsoft Teams
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
在Microsoft Edge浏览器中使用Microsoft 翻译工具 - Microsoft 支持
如果在设置中打开用与首选语言不同的语言编写的页面,Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时,“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中,则该语言被视为外在语言。
Applies To: Microsoft Edge
Create and print labels - Microsoft Support
Learn how to make labels in Word. You can create and print a full page of address labels or nametags. Get started on how to print labels from Word.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
How to start a scan for viruses or malware in Microsoft Defender
If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Getting the most out of your PC backup - Microsoft Support
Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.