Microsoft アカウントパスワードをリセットまたは変更する方法について説明します。 忘れた Microsoft アカウントのパスワードに関するヘルプを表示します。

On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.

Erfahren Sie, wie Sie Office 2013 auf Ihrem PC oder Office für Mac 2011 installieren können.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Select Add Account, in the Suggested account dropdown, enter the iCloud account you want to add, and select Continue.

How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.

It's easy to attach pictures, files, and other items to your Outlook messages. Outlook keeps track of the documents you’ve recently worked on, whether they're stored on your computer or saved in OneDrive (cloud only).

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification