sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection.Protect yourself from tech support scams.

ملاحظات: كلمة مرور Hotmail أو Outlook.com هي نفسها كلمة مرور حساب Microsoft. إذا كان بإمكانك تسجيل الدخول ولكنك تواجه مشكلات في Outlook.com، فتحقق من حالة الخدمة.وإذا لم تظهر الحالة باللون الأخضر، فانتظر حتى يتم تشغيل الخدمة بشكل طبيعي ...

如果我的设备上没有管理员权限，该怎么办？ 若要完全升级到新的 Microsoft Edge，必须使用管理员帐户登录到设备。

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

如需了解详细信息，请观看加入 Teams 会议视频。. 通过链接加入. 只需通过一个连接即可加入 Teams 会议。 在会议邀请中选择“ 立即加入会议”，将其带到一个页面，你可以在其中选择加入 Web 或下载桌面应用。 如果你已拥有 Teams 应用，会议将自动打开。

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

了解如何在 Microsoft Edge 中启用 Adobe Flash。

有关如何更改 Microsoft 帐户上的名称的说明。

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.