O365-EX-000031 - Files from Internet zone must be opened in Excel in Protected View mode.

Information

This policy setting allows you to determine if files downloaded from the Internet zone open in Protected View.

If you enable this policy setting, files downloaded from the Internet zone do not open in Protected View.

If you disable or do not configure this policy setting, files downloaded from the Internet zone open in Protected View.

Solution

Set policy value for User Configuration >> Administrative Templates >> Microsoft Excel 2016 >> Excel Options >> Security >> Trust Center >> Protected View >> Do not open files from the Internet zone in Protected View to 'Disabled'.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Office_365_ProPlus_V3R1_STIG.zip

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|SC-18(1), CAT|II, CCI|CCI-001662, Rule-ID|SV-223340r961086_rule, STIG-ID|O365-EX-000031, STIG-Legacy|SV-108859, STIG-Legacy|V-99755, Vuln-ID|V-223340

Plugin: Windows

Control ID: 4233021cbae159bee2a95d5f2ea73a3a469fc43b51fb70d43c980a831d9e9127