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

PC で実行している Windows オペレーティング システムのバージョンとデバイスの仕様を確認する方法をご覧ください。

You can sign in to Skype with a Skype name, email or phone. If you already have a Skype or Microsoft account: Open Skype and click or tap Skype name, email or phone .

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

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

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

Choose how you want emails displayed in the message list, such as whether you want emails displayed as individual messages or as conversations.

How to access your Microsoft account? If you have confirmed that your email is a Microsoft account, you can access it by following these steps:

In Outlook, sometimes your outgoing messages get stuck in your outbox and just won't send. Learn about some ways to get them moving.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: