Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

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

Training: With OneDrive, you can sync files between your computer and the cloud, so you can get to them from anywhere.

To adjust power and sleep settings in Windows 10, go to Start , and select Settings > System > Power & sleep.. Under Screen, select how long you want your device to wait before turning the screen off when you're not using your device.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

How to use a PivotTable in Excel to calculate, summarize, and analyze your worksheet data to see hidden patterns and trends.

Before you begin filling out the form. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer.

Learn how to customize your keyboard for a specific language or format to control which characters appear on the screen when you press the keys.

A list of Excel training, from entry level to advanced skills, plus templates and other resources.

Outlook データ ファイルを開くことができない場合、またはファイルが破損していると思われる場合は、受信トレイ修復ツール (scanpst.exe) を使用してファイル内のエラーを修復します。