Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

With the Microsoft Forms Quick Poll add-in for Outlook or Outlook Web App, you can create a poll in seconds right within an email message.

Microsoft Edge から拡張機能を削除する. 拡張機能を削除するには、次のいずれかの方法を選択します。 Microsoft Edge で、削除する拡張機能のアイコンを長押し (または右クリック) します (ブラウザーのアドレス バーの右側)。

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Learn how to add Teams meetings to Outlook calendar using our step-by-step guide. Say goodbye to scheduling headaches and hello to seamless collaboration!

Try it! Microsoft 365 subscribers can set up automatic replies for when they are out-of-office or unavailable to respond to email. Select File > Automatic Replies.

Remove a manual page break. Go to Home and select Show/Hide .. This displays page breaks while you’re working on your document.

Learn how to cancel your Microsoft subscriptions such as Microsoft 365, Copilot Pro and Xbox. Troubleshoot issues if you can't cancel your subscription.