For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.

如果已单击“共享”按钮，其他人会收到一封电子邮件，邀请他们打开文件。他们可以单击链接打开工作簿。 将打开 Web 浏览器，并在 Excel 网页版 中打开工作簿。 如果他们想在浏览器中进行编辑，可单击“编辑工作簿”>“在浏览器中编辑”。如果他们想在 Excel 应用中打开工作簿，则可单击“编辑 ...

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Internet Explorer 11 support ended on June 15, 2022. We recommend you use Microsoft Edge for a faster, more secure and more modern web browsing experience.

获取更改 Microsoft Edge、Internet Explorer 11、Google Chrome、Firefox 和 Safari 中的主页的步骤。 在“常规”选项卡上的“主页”下，输入你要设置为主页的站点的 URL。你可以添加多个 URL，或者若要添加你当前正在查看的站点，请选择“使用当前页”。

When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.

有关与他人协作处理文档的信息，请参阅协作处理 PowerPoint 演示文稿。 若要停止共享，请参阅停止共享 OneDrive 文件或文件夹，或更改权限。 使用传统的电子邮件附件共享： 如果你不想与其他人共享文档以进行协作处理，只需使用传统的电子邮件附件将演示文稿发送给其他人。

iOS 16 的用户可能无法使用双指平移手势在 OneDrive 中选择多个文件。 我们了解了此问题，并正在制定解决方案。 解决方法 首先选择一张照片，然后使用两根手指滑动以选择多个文件或照片。

Cross-device copy and paste (for Surface Duo and select Samsung and HONOR and OPPO and ASUS devices) Let emailing yourself photos and files be a thing of the past — now you can just copy and paste or drag and drop content between your Android device and your PC.

After you create your drop-down list, make sure it works the way you want. For example, you might want to check to see if Change the column width and row height to show all your entries.. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.