Δοκιμάστε αυτές τις λύσεις, αν δεν μπορείτε να εισέλθετε στον λογαριασμό ηλεκτρονικού ταχυδρομείου Outlook.com, Hotmail, Live ή MSN ή δεν είστε βέβαιοι πώς να εισέλθετε ή να εξέλθετε.

3. Validation on a form You can use the Validation Rule property of a control on a form to specify a criterion that all values input to that control must meet. The Validation Rule control property works like a field validation rule. Typically, you use a form validation rule instead of a field validation rule if the rule was specific only to that form and not to the table no matter where it was ...

Microsoft 365 商业版. 如果你的 Microsoft 365 产品是以下之一，则你拥有 Microsoft 365 商业版 产品。 这些产品通常与工作或学校帐户相关联，且 Microsoft 365 许可证（如果你的订阅拥有一个许可证）来自你工作的组织或所在学校。

Chat lets you connect with others, stay up to date on projects, and express yourself, whether you're in the office, at home, or on the go with the Microsoft Teams app. In Teams, you'll see three types of chats: One-on-one chats: to connect with people individually.

If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

sumproduct 函数返回相应范围或数组的乘积的总和。 默认运算是乘法，但也可以加法、减法和除法。 在此示例中，我们将使用 sumproduct 返回给定项的总销售额和大小：

Learn how to use Microsoft Traditional Chinese IME with features and shortcuts to type Chinese characters on Windows 10.

重要: 关闭Microsoft帐户时，你的电子邮件和联系人将从我们的服务器中删除，无法恢复。如果将Microsoft帐户用于 Xbox、Skype、OneDrive 或其他Microsoft服务，则你将无法再访问这些服务。 你还将无法访问任何保存的 BitLocker 恢复密钥。

按控制器上的 Xbox 按钮 打开导航页。; 转到“档案和系统”，选择您的档案，然后选择"我的档案"。 依次选择“自定义档案” > “更改玩家图片”。