Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

Training: Learn how to create a spreadsheet, enter data, and create a chart in Excel.

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Learn how to access, share, or clear your Microsoft search history through the privacy dashboard.

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

Equation Editor (Microsoft Equation 3.0) was included in earlier versions of Word, but was removed from all versions in the January 2018 Public Update (PU) and replaced with a new equation editor.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

How to use the PMT function in Excel to calculate monthly loan payments based on constant payments and a constant interest rate.

Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.