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Windows activity history and your privacy - Microsoft Support
Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.
Applies To: Microsoft account dashboard
Get updates for apps and games in Microsoft Store
Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.
How to spot a "fake order" scam - Microsoft Support
Crooks try to scam you by sending you confirmations of orders you never placed. Learn how they work and how to spot them in this short article.
DATEDIF function - Microsoft Support
Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.
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, SharePoint Foundation 2010, SharePoint Server 2010, Windows SharePoint Services 3.0
Tutorial: Import Data into Excel, and Create a Data Model
Tutorial 1 - Import data into Excel, and Create a Data Model. Learn how to use Power Pivot, Data Models, and Power View to mash up data and create cool, interactive reports.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.
Mobile devices help & learning
Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.
Use Magnifier to make things on the screen easier to see
Learn how to make items on the screen appear larger by using Magnifier in Windows.
Protect your PC from potentially unwanted applications
With reputation-based protection Windows users can be better protected from potentially unwanted apps (PUA).