Create a reusable template by saving a PowerPoint file (.pptx or .ppt) as a PowerPoint template (.potx or .pot).

Get steps for how to select display language preferences in Windows.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

Learn how to change the video playback settings for apps that use the video platform that's built in to Windows.

Use Excel's DATE function when you need to take three separate values and combine them to form a date.

Add or subtract days, months, or years from a date by using a formula or date functions in Excel.

Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). Watch more in this video.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.