Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

The array form of LOOKUP looks in the first row or column of an array for the specified value and returns a value from the same position in the last row or column of the array. Use this form of LOOKUP when the values that you want to match are in the first row or column of the array.. Syntax. LOOKUP(lookup_value, array) The LOOKUP function array form syntax has these arguments:

Microsoft アカウントで通常とは異なるアクティビティに関するメールを受け取った場合、または他のユーザーがアカウントを使用している可能性が心配な場合は、[最近のアクティビティ] ページに移動します。過去 30 日間に Microsoft アカウントにサインインしたすべての日時と共に、デバイス ...

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

This article is for Outlook.com. If you're using Outlook for Windows, see Fixes or workarounds for recent issues in Outlook for Windows.. If you're having problems accessing Outlook.com, you can see the status of Microsoft Office Online Services at the Service Health portal.. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues.

Work with your files in your file system. Once you're synced, you’ll see your files in File Explorer. On a Mac, your files will appear under OneDrive in the Mac Finder.. If you use more than one account, your personal files appear under OneDrive – Personal and your work or school files appear under OneDrive - CompanyName.. You can copy or move files from your computer to OneDrive right ...

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Manage invitations to share Microsoft 365. On the Microsoft account, Sharing page, under the section Other people, you can view and manage invitations you’ve created.You can check the status of an invitation, resend, or delete invitations. If the person you sent an invitation to can't find it, see Can't find an invitation to share Microsoft 365 Family.

トレーニング:Microsoft OneDrive を使用して、作業内容を他のユーザーと共有し、表示および編集できるユーザーを制御し、同時に共同作業します。 このオンライン トレーニング ビデオをご覧になり、その方法をご確認ください。

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.