Announcements
Attention for Customers without Multi-Factor Authentication or Single Sign-On - OTP Verification rolls out April 2025. Read all about it here.

Here are rules to detect file types. No need to check extension but that is another way I guess. 
https://www.cadlinecommunity.co.uk/hc/en-us/articles/201896502-Inventor-2014-iLogic-Exit-Rule-Based-...

If this solved a problem, please click (accept) as solution.‌‌‌‌
Or if this helped you, please, click (like)‌‌
Regards
Alan