Maester 
MP.JL.CISOFFINT.L1.034 Force file extension to match file type is set to Enabled: Always match file type
Description
CIS Microsoft Intune for Office Benchmark, recommendation 2.2.4.7.3 (Level 1).
The test passes when an assigned settings catalog policy for Windows sets Microsoft Excel 2016 > Excel Options > Security > Force file extension to match file type to Enabled, with Force file extension to match file type set to Always match file type in the same policy, and no other assigned policy sets it to something else.
Remediation action
- In the Microsoft Intune admin center, go to Devices > Configuration and open (or create) a settings catalog policy for Windows 10 and later.
- Add Microsoft Excel 2016 > Excel Options > Security > Force file extension to match file type and set it to Enabled, then set Force file extension to match file type to Always match file type.
- Assign the policy to your Windows devices, and remove any other assigned policy that sets it to something else.
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