There were 2 problems causing the error "can't match customer" while importing invoices from a .csv file. One problem is that the display name “Grand Ecuyer, Ou...

I am having the same problem with a customer who has been in QB for 10 years and previously was able to import invoices for this customer.

I am using this workaround - I only have 70 clients. Have the primary email for every client set to an email domain/server that is not using spamcop (try your o...