解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)

Once you've allowed microphone access to your apps, you can change the settings for each app. In Microphone settings, go to Choose which Microsoft apps can access your microphone, and turn on apps you want to use with it.For desktop apps, make sure that Allow desktop apps to access your microphone is turned on.

Composing and reading plain text messages - Plain text messages will be received by the other person with a standard font, but if you want to use a nicer font when you're writing the message you can. Just understand that font won't be sent with the message.

In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method

Sometimes you need to make a change to your email account settings. If you have a new password, if your email provider has asked you to change settings, or if you're having problems with sending and receiving email, you can change your email account settings through Mail in the Windows Control Panel, or from Outlook.

Если вы не можете войти в учетную запись электронной почты Outlook.com, Hotmail, Live или MSN или не знаете, как это сделать, попробуйте эти несколько решений.

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.

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.