Teams channel member read only permissions to particular folder

Question

Here is the scenario.
UserA is a member of the channel + member of Newly created channels Application1 and Application2.
In the root of files there folder name Team. How do I give User A only read access without changing the member permission to read?

Thanks in advance

Answer 1

@Virtual Tech ,

How do I give User A only read access without changing the member permission to read?
No, member permission is changeable.

As a supplement, the following image shows the process to manage member access in SharePoint folder.

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Answer 2

This isn't possible as SharePoint doesn't have the concept of a Deny ACL. A potential alternative is to use Sensitivity Labels for that content to control how the file is accessed.

https://learn.microsoft.com/en-us/microsoft-365/compliance/encryption-sensitivity-labels?view=o365-worldwide