How to use the COUNTIF function in Excel to count the number of cells that meet values you set.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Microsoft Edge で、閲覧履歴やその他の履歴を表示したり削除したりする方法について説明します。

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Add a contact from someone's profile card. If you're using Outlook in an organization and you click someone's name or picture in Outlook or other Office apps and services, you might see a profile card with additional information.

Erfahren Sie, wie Sie Microsoft 365 oder Office 2019 auf einem PC oder Mac installieren, erneut installieren, oder aktivieren.

Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

Learn how to fix common OneDrive personal or OneDrive for Business sync problems.