Change your screen saver settings. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list.

Get troubleshooting tips to fix problems with apps from Microsoft Store.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

You can manually adjust the column width or row height or automatically resize columns and rows to fit the data.

使用 Windows 设置应用更改桌面背景和颜色。

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

The files you store on a SharePoint site are usually available to everyone with permissions to the site, but you may want to share specific files or folders with people who don't otherwise have access to the site.

The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.

Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.

Splits text strings by using column and row delimiters. The TEXTSPLIT function works the same as the Text-to-Columns wizard, but in formula form.It allows you to split across columns or down by rows.