Use the Microsoft Authenticator app to sign in securely without a password. Learn why you received a notification about unusual activity in your account and what to do next.

See plans and pricing. Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

View previous versions of a file. If your file is stored in OneDrive or SharePoint in Microsoft 365, you can go back to a previous version of file. This is incredibly important if a mistake was made, you have issues with malware or a virus, or you just prefer a previous version.

Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.

Get started with Microsoft Edge. There are several types of files you can download from the web—documents, pictures, videos, apps, extensions and toolbars for your browser, among others. When you select a file to download, Internet Explorer will ask what you want to do with the file.

What is Microsoft Teams? With Microsoft Teams on your PC, Mac, or mobile device, you can: Pull together a team. Use chat instead of email. Securely edit files at the same time. See likes, @mentions, and replies with just a single tap. Customize it by adding notes, web sites, and apps.

Get the latest Windows update. Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive.

在网页上加入 Teams 会议. 没有 Teams 应用？. 你仍然可以加入 Teams 会议。. 在电子邮件邀请中，选择“ 立即加入会议 ”。. 还可以使用电子邮件中的拨入号码和会议 ID 进行拨入。. 你有三种选择：. 下载 Windows 应用 ：下载 Teams 桌面应用。. 在浏览器上继续 ：在 web ...

如果要加入由 Teams 个人帐户用户组织的会议，可以使用 Teams (工作或学校) 帐户来参加会议。. 收到会议邀请时，可以从 Teams 日历加入。. 如果有人在 聊天 中向你发送会议邀请，请选择“ 立即加入 ”> 链接。. 在 Teams 中，选择“ 日历 ”以查看会议。. 找到要 ...

使用改进的复制和粘贴. 对地址栏 URL 使用改进的副本和粘贴非常简单。. 默认行为是使链接粘贴为超链接标题：. 在 Microsoft Edge 中，通过右键单击地址栏并选择上下文菜单中的"复制"，或者选择地址并按 Ctrl + C，从地址栏中复制该 URL。. 在应用中，按 Ctrl + V 以 ...