Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

If you selected the Show icon on my profile check box but the icon still isn’t displaying, sign out of the device where you have the issue and then sign back in. On a PC, you may also be required to restart the app: Start Task Manager, choose the app that’s running (Game Bar or Xbox app), select End task, and then restart the app.

If repairing your Office programs did not resolve your issue, continue to the next step. Check to see if your antivirus software is up-to-date. If your antivirus software is not up-to-date, PowerPoint may not function properly.

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

Notlar: Hotmail veya Outlook.com parolanız Microsoft Hesabı parolanızla aynıdır. Oturum açabiliyorsanız ancak Outlook.com ile ilgili sorun yaşıyorsanız hizmet durumunu kontrol edin. Durum yeşil değilse, hizmetin normal çalışır duruma gelmesini bekleyin ve yeniden deneyin.

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.

Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.