Meet your AI assistant, ready to help you be more productive. A quick way to create exactly the kind of content you need. Find all the apps you use in the Microsoft 365 Copilot app store. Microsoft Support is here to help you with Microsoft products.

Download the Gaming Services Repair Tool for PC using the link below. Choose your save destination and then go to that destination to open the file after the download is complete. If you enter “Y”, enjoy your time gaming!

You can install the Microsoft 365 Copilot mobile app that combines Word, Excel, and PowerPoint into a single app, and introduces new mobile-centric features to view, edit and share files without the need to switch between multiple apps.

了解如何使用遊戲服務修復工具來疑難排解電腦上的遊戲服務安裝和更新問題。

"Something went wrong" error when you try to start a Microsoft 365 app When trying to start a Microsoft 365 app, you might get this error. Here are some things you can try to fix the problem. We've listed the most common solutions first, so try them in order. Restart your device

To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed. You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

Hotfix update for Microsoft Exchange Server 2019 CU15 HU2 was released on May 29, 2025. It includes fixes for nonsecurity issues and introduces new features. These fixes and features will also be included in later cumulative updates for Exchange Server 2019.

These new features will remain dormant until they are turned on through the “enablement package,” a small, quick-to-install “master switch” that activates the Windows 11, version 25H2 features.

Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu. Select the Microsoft 365 or Office product you want to repair and select Modify. This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel.

We moved Quick Assist to improve the performance and security of the app. For example, generating a 6-digit code should be quicker and the app should perform better.