Information
This policy setting determines whether users can open, view, edit, or save Excel files with dBase III /IV files format.
Open/Save blocked, use open policy : Both opening and saving of the file type will be blocked. The file will open based on the policy setting configured in the 'default file block behavior' key.
NOTE:
Use Open Policy
action is defined by the
Set default file block behavior
policy setting which is included in this benchmark.
The recommended state for this setting is: Enabled: Open/Save blocked, use open policy
Using legacy file formats could allow malicious code to become active on a user's computer or the network.
Solution
To establish the recommended state via configuration profiles, set the following Settings Catalog path to Enabled: Open/Save blocked, use open policy
Microsoft Excel 2016\Excel Options\Security\Trust Center\File Block Settings\dBase III /IV Files
Impact:
Users will not be able to open, save, or view dBase III /IV files.