You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

Outlook は、メール、予定表、連絡先、タスク、メモを含むバックアップ ファイルをお使いのコンピューターに保存します。 ここでは、これらを検索する方法について説明します。

Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.

Learn how to create new storage spaces, choose between mirror, two-way, and parity spaces, optimize drive usage, and remove a drive from a pool.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Learn more about updates for Windows 10 version 1809, including improvement and fixes, any known issues, and how to get the update.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Outlook for iOS and Android gives you the power of Outlook on the go to keep everything in one place, stay organized, and have security you can trust.

An Outlook online archive mailbox can store older email messages where they won't occupy space in your primary mailbox. This specialized mailbox appears alongside your other mailbox folders in Outlook.

起動時に自動的に実行するアプリを追加する方法について説明します。