After encrypting files on Xiaomi mobile phones, you can cancel them by following the following steps:

1. Open the phone, find and open "Mobile Manager".

2. In the "Mobile Manager" interface, select "Permissions Privacy" as shown below, and click to open the software.

3. In the "Permissions Privacy" interface, the following options appear, select "App Encryption" and click to open.

4. In the "Application Encryption" interface, find and select the file or software that needs to be decrypted.