This documentation is also available via a How to Quickstart video:
https://youtu.be/T1DCkUz6KVo (Links to an external site.)

1. Click on the People link in the course navigation sidebar.

2. Click the Add People button in the right-hand corner.

3. You have the option of using an email address, login ID or SIS ID if it is a current SFU student or employee.

Note: If you use an alias (first name underscore last name eg. jane_doe@sfu.ca) it would add the user as an external account. See How can I use Canvas without an external account?

[1] Click the radio button to add the user by their email address, log in ID or SIS ID

[2] Enter their email address, login ID or SIS ID

[3] Choose the role you want to add (eg. student, teacher, teaching assistant)

[4] Choose the section

[5] Choose whether you want them to interact with those students in their section only

[6] Click Next

5. Click Add Users to add the user or Start Over if you change your mind and don't wish to add the user.

You will  see the person listed.