Thanks all! I'll share this with him and see if we can get it figured out.

That actually is unchecked, and has been, which is why I am utterly stumped. I have other vendors who can get in with no problem. ----------- CONFIDENTIALITY NOTICE: This communication is intended only for the use of the individual or entity to which it is addressed and may contain information that ...

I've been troubleshooting this for one of our external vendors who really prefers to use the app for his task list. He's often setting up external events for us and is off-site frequently. The WorkFront app gave him a clean, easy-to-use task list. Then we turned on SSO for our company, and he is now...