查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。

已更新 10/12/22. 所需操作： .NET 3.1 生命周期结束日期为 2022 年 12 月 13 日！必须在 2023 年 1 月之前迁移到 .NET 6.0。.NET Core 3.1 将于 2022 年 12 月 13 日结束。 从 2022 年 12 月 13 日起，任何使用 .NET Core 3.1 的服务都将面临即时安全和合规性风险。

Training: Learn how to get up and productive quickly with this Microsoft Teams Quick Start. Sign in to Teams, select Teams and Channels, reply to conversation threads, @mention someone, use emojis and stickers, and ask T-Bot questions.

在网络上选择要与之共享文件的用户，或选择“所有人 ”以授予所有网络用户访问该文件的权限。 如果你同时选择多个文件，可以用相同的方式共享它们。 这种方法对文件夹同样有效 - 共享文件夹意味着共享其中的所有文件。

了解如何解决 0x803F81F5 错误，以便可在 Windows 10 设备上安装游戏或应用。

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...

手动下载 Cortana 语音语言。 回到“设置” >“时间和语言”>“语言”，选择新语言，然后使用向上箭头按钮将其移动到列表顶部，并将其设为默认语言。

Add guests to a group. When you add guests, also known as external users, to a group, you're granting them access to all information within the group.

If you’re not sure what’s possible, you can get inspiration by viewing and interacting with Sways that other people have created. After you’ve signed in to Sway (see below), scroll down to the bottom of the My Sways page, and then browse through the featured content under the heading “Get inspired by a featured Sway.” You can also choose to start with one of the featured templates to ...

Approach. Formula. 1. Reference just the lookup values you are interested in. This style of formula will return a dynamic array, but does not work with Excel tables. =VLOOKUP(A2:A7,A:C,2,FALSE)2. Reference just the value on the same row, and then copy the formula down.