I got my ATIP notes and I see my Paper File location is: IM-Dig. I guess it is in the digitization phase and I applied March 2021. And I also see the EP number.
If you have received XEP, then your files are already digitized. in ATIP notes each and every processing step is recorded even if it is an autogenerated message or commands. The important information is the officer notes if you have any and the status of Eligibility, Criminality, background and Medical etc. Be patient and everything will be ok it's all about time.