Coming via Microsoft. They use these file types with one of the Microsoft applications and would like to be able to attach them .
Thanks, Bruce
@Bruce Duffett Visio files are already been supported by the system. Currently there is no facility to support .mpp files.
https://rfpioinc.atlassian.net/browse/RES-127974
As discussed with @Bruce Duffett, we are able to attach both visio and .mpp files, and this is not a issue. Closing this S4.
FYI @viswanathan