Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.

View and reply to an encrypted message without Microsoft 365 using Outlook for PC. If you're not using Outlook with Microsoft 365, your encrypted message will contain a link in the message body.

Windows 11 でカメラが動作しない場合は、最近の更新後にドライバーがなくなっている可能性があります。 また、ウイルス対策プログラムによってカメラがブロックされている、一部のアプリでカメラへのアクセスが許可されていない、使用するアプリに問題があるなどの可能性もあります。

This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

Wenn Sie auf einem PC mit Windows arbeiten und möchten, dass die Apps und Inhalte von einem anderen Gerät auf Ihrem PC-Bildschirm angezeigt werden, sollten Sie den Bildschirm dieses Geräts spiegeln oder auf Ihren PC projizieren.

If you've forgotten your password and know the email address for your Microsoft account, you can reset your password online by verifying your identity using other information.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

If your account has been hacked it means that someone stole your password and might be using your account to access your personal information or send junk email.

Sharing OneDrive files, SharePoint files, or Lists with other people allows you to securely collaborate with people outside your organization.