The user can manipulate the configured Attach file custom field to store files.
Step 1: Click on Attach file Icon 
to select file.
Step 2: Choose a File in the Opening dialog.
Step 3: Then many features become available :
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3. Preview images Or save file from other extensions.
Step 4: The Attache File Manager controle automatically the attachments according to the administrator's configuration and displays error messages in case of files that do not correspond to the field configuration.
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