Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

OneDrive for Business provides one place to store, share and sync your work or school files.

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.

扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。

Create stunning social posts and graphics with Microsoft Designer Let your creativity shine with our new AI-powered graphic design app. Simply type in your ideas to get one-of-a-kind designs and helpful suggestions to meet your needs.

Узнайте, как запустить средство устранения неполадок Центра обновления Windows для устранения ошибок скачивания или установки обновлений Windows.

Получите справку и поддержку по Microsoft Edge. Найдите содержимое поддержки по Microsoft Edge, статьи с инструкциями, руководства и т. д.

Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.

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。