周末字符串值的长度为七个字符，并且字符串中的每个字符表示一周中的一天（从星期一开始）。 1 表示非工作日，0 表示工作日。 在字符串中仅允许使用字符 1 和 0。 使用 1111111 将始终返回 0。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Important: If your Microsoft cloud storage is full, you cannot send or receive email.Messages sent to you while your storage was full are bounced back to the sender and are unrecoverable. Check your mailbox storage to see what's taking up space. Learn more about recent changes.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.

Select Access to content to determine age-appropriate access to content or make access available to all.; Select Allow adding & creating new profiles to choose whether others can download and create new accounts on your console.; Select Allow removing accounts to allow guests to remove accounts that are downloaded to the console.; Select Allow adding guests to choose whether others can add ...

In order to sync with OneDrive for work or school, the DisableFileSyncNGSC key must be removed or the DWORD value must be changed to 0 (zero). If the registry value was set as part of a Group Policy Object, the policy must be removed.

Select a condition, and what to do with the message based on the condition. For example, to move messages with a certain title to a specific folder, select the Subject contains condition, select Move the item to folder, select or create a New folder, and then select OK.