Good morning
Here is a great link that may help filing your return
https://turbotax.community.intuit.ca/questions/1189835-residency-status-when-preparing-a-return-in-t...
http://www.cra-arc.gc.ca/cntct/ntrntnlnqrs-eng.html
How long are you out of the country? Are you coming back to Canada?
I have been outside for over a year and I'll stay out for at least other 5 years.