I have 2016 Quickbook Pro and can not migrate my company info to my online subscription

Prepare your QBO account

https://quickbooks.grsm.io/Canada

then install the trial version for QBD 2023 to upgrade your company file and convert it to QBO. You can only convert data on a supported QBD version.

https://quickbooks.intuit.com/learn-support/en-ca/help-article/new-subscriptions/download-trial-quickbooks-desktop/L04IY8YVk_CA_en_CA?uid=le25bybt

Hi there. It's essential you're able to migrate your data with ease. To make sure we're both on the same page, could you elaborate more about the issues you're facing while migrating? Otherwise, here's a helpful article that shows you how to: Migrate from QuickBooks Desktop to QuickBooks Online with Intuit's internal tool. Let me know if you have other questions as you go through the article. I'll be one message away in case you need anything else.