QuickBooks crashes when trying to import an iif file

If you find yourself having issues importing an IIF file into Quick Books try checking to see if one of your imported items has a hyphen (-) in its name. Removing the hyphen may fix the issue.

UPDATE 2015-06-15: IIF imports can also crash because of field length limits being exceeded. I’ve encountered scenarios where Quick Books:

  1. will take longer data then the fields max length but will not be able to display it all in app (seen in invoice numbers)
  2. will take longer data then the fields max length but truncates it in system. This can cause duplicate items to be created
  3. crashes immediately

So don’t forget to check the fields max length: Character limitations for fields in QuickBooks

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