To import a text file, you can open the file or import the text file as an external data range. To export a text file, use the Save As command.

We want to hear from you! Please continue to share your feedback with us — either in the Google Play Store, directly in the Phone Link and Link to Windows apps, or at the bottom of this article.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Find out how to change privacy settings for your camera and microphone in Windows.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。