This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.. What is a digital signature?

Microsoft サポートは、Microsoft 製品を支援するためにここにあります。 Microsoft Copilot、Microsoft 365、Windows、Surface などのハウツー記事、ビデオ、トレーニングを検索します。

Office または Microsoft 365 を購入したときにプロダクト キーが付属していた場合は、使用している製品に対応する以下の Web サイトのいずれかにプロダクト キーを入力します。

Не удается войти в Hotmail или Outlook.com? Корпорация Майкрософт всегда следит за необычной активностью аккаунта на тот случай, если кто-то другой пытается получить доступ в вашу учетную запись.

To access your Xbox profile and other Microsoft services, you need to know the email address and password you used to set up your Microsoft account.

A message that is encrypted by Microsoft 365 Message Encryption is delivered to a recipient’s inbox just like any other email message. If the recipient has Outlook 2016 and a Microsoft 365 email account, they'll see an alert about the item's restricted permissions in the Reading pane.

Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.

When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings > Notifications > Open Windows notifications settings.Find Microsoft Teams (work preview) in the apps list and set your preference.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

You can personalize the color or accent color for window title bars and borders, the Start button, or the taskbar. The Dark mode has colors that are designed to work well in a low-lit environment. This option is for the Start menu, taskbar, and action center.