Canadian immigration inquiry, I am an 8-digit file number, how to check?

You go to www.cic.gc.ca website, and then click English (English version). After that, there is "Check Application Status" on the right and "Check Application Status" in the middle of the online service interface. Click Continue and "I have read, understood and agreed to the above terms and conditions" will appear. You need to tick, and then click Continue, and "Client Application Status" will appear. Enter your relevant information for inquiry.