When you restore the alfresco backup file, Shared Files the attributes are changed to read mode.
How did you take a backup of alfresco?
Please, describe the problem you are facing with details.
Alfresco backup includes backup of content, indexes, database and customizations you have made.
There are well-defined steps for the backup and restore.
Backing up and restoring the repository | Alfresco Documentation
Retrieving data ...