The Doc and Email features in WeCom can be enabled or disabled within the WeCom admin portal.
The Doc feature can be enabled or disabled for the entire enterprise at once.
The Email feature can be enabled or disabled for individual employees.
To enable or disable the Doc feature in the WeCom admin portal:
Select Collaboration.
Select Doc.
Toggle the Enabled/Disabled switch.

Similar to the Doc feature, individual WeCom user email access can be enabled or disabled within the WeCom admin portal.
To enable or disable email:
Select Collaboration.
Select Email.
Select 邮箱管理 (Email Management).
Select 禁用邮箱 (Disable Mailbox) for the desired user.

Note
Smarsh does not archive these features.