Upgrade from 2015 to 2019 desktop corrupted online banking
I was forced to upgrade from 2015 to 2019 because Intuit stopped letting me import bank records in my version.
After the upgrade for one bank account, the account number, routing number, and bank feed customer id are all corrupted as strings. I cannot fix the account numbers until I deactivate online services. But deactivating online services crashes QuickBooks.
I've manually exported my accounts to an IIF file, editing the account details, but it won't import.
What else can I do?