I have a university scholarship and OSAP scholarship and have input my T2022 information elsewhere so not sure which box 105's to use and for what
If you went to school part-time, yes this is where you would enter your T2202 amount.
Box 105 reports the amount of scholarship or bursary income you received for part-time studies that can be reduced by the eligible tuition fees, you paid for those same part-time studies as reported on your T2202 certificate. Therefore, Box 105 does not report the tuition fees you paid, but rather the scholarship or bursary income you received.
To fill in Box 105 in TurboTax Online, follow these steps:
Thank you for choosing TurboTax.