How many digits is a Canadian bank account number supposed to have?

msheedy Expensify Customer Posts: 2 Expensify Newcomer

I'm trying to enter my Canadian bank account details so I can get reimbursed.
I have entered my bank account number which is 7 digits but the input remains red and the form will not submit.
I have also tried variations of the account number that include the transit number, institution number and both.

Can someone please provide the steps needed to add a Canadian bank account.