How to change your Outlook signature or add a signature. Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date.

Learn about what effect closing a Microsoft account might have on your other apps and services.

Open and edit PDF content in Word. To edit a PDF, open it in Word. This works best with PDFs that are mostly text.

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Windows PC でアプリ、設定、ファイル、写真、Microsoft Edge のお気に入りとユーザー設定をバックアップする方法について説明します。

Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.

Office Insiders に参加して、Windows 用の新しい Outlook の使用を開始します。 最新バージョンの Outlook を最初に確認し、改善に役立つフィードバックを送信できます。

Use Find my device to locate and lock your lost or stolen Windows devices.

Find your Wi-Fi network password in Windows, so you can connect to your Wi-Fi network on other devices.

Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.