Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

Microsoft Teams Web アプリは、Chrome、Firefox、Internet Explorer を含むほとんどのデスクトップ ブラウザーで動作します。

Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.

As a meeting presenter, you can use Microsoft Forms to create polls before your Microsoft Teams meeting, then launch them during it so attendees from any endpoint (mobile, web, desktop) can view and answer. When you launch your poll, it will pop up on attendees' meeting screens as well as in the meeting chat. Attendees can also create ad-hoc polls during a meeting to get quick feedback on the ...

How to create, edit, and run Excel macros to automate data entry and tasks.

Stay connected to the Xbox community! See what friends are up to, start a text or voice chat, and find players for multiplayer games.

Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

Learn how to create a team from scratch in Microsoft Teams with step-by-step instructions and tips for managing teams and groups.

Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.

Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen