I lived in Windsor and worked in Detroit,
I commuted daily to US for a year.
How will I put this in the application as travel.It will be more than 200 entries.
One line at a time. It is what it is.
Obviously, the application form and presence calculator were NOT designed to be convenient for those who commuted to employment in the U.S. This should be no surprise.
Note that historically, but under other rules, commuter applicants appear to have been at high risk for elevated, more intensive scrutiny. Some cases suggest the scrutiny and assessment can be severely skeptical.
My sense is that most PRs commuting to employment in the States will wait until they can make an application without relying on much of the time they were commuting. Which of course makes sense.
You could try an approach using the form CIT 0407 rather than the online presence calculator, report batch dates with an explanation, or otherwise do something similar to that reported by
canacani
My same situation but it was 4 years up and down for me. I have mentioned in a note that it is impossible. Let's wait for the response.
BUT my impression is that approach has a high risk of making matters worse not better, meaning it seems more likely than not to result in IRCC taking a skeptical if not overtly negative approach to the application, more strictly requiring the applicant to affirmatively prove all the days claimed to have been in Canada.
By the way, it is NOT impossible to report all day trips for a long-term commuter to the States. Inconvenient, yes. But for those who have kept concurrent records of all cross-border trips,
which every PR should do, they can all be reported and reported accurately. And, indeed, that is what IRCC expects. The PR was there, in person, each and every time, so there really is no excuse for not having such records.