Learn about Windows service packs and download the latest updates for Windows 10 and Windows 8.1

Lists all Excel functions by their category, such as Logical functions or Text functions.

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。

Learn how to type a letter online using Word for the web. Choose a letter template for online letter writing. Edit, send or print your letter online.

Prova de här lösningarna om du inte kan logga in på ditt Outlook.com-, Hotmail-, Live- eller MSN-e-postkonto, eller om du inte vet hur du loggar in eller loggar ut.

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:

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Follow the steps in this article to help you cancel your Microsoft 365 subscription.