After your first download, QuickBooks only loads transactions not previously downloaded in order to minimize the recording of duplicate transactions. Here you have the opportunity of viewing all of the downloaded transactions before adding the transactions to QuickBooks. If all appears in order, select “Add transactions to QuickBooks”. Downloading Bank Transactions into QuickBooks How to Download Bank Transactions into QuickBooks Online. Downloading bank transactions in QuickBooks Online is pretty simple after you have set up your account for online banking. Sep 12, · If you cannot locate your bank in QuickBooks Online or if you need to download more than 90 days of banking transactions, then you’ll need to import your banking transactions using an Excel format slicelive.com or slicelive.com file. Jun 19, · A few reminders before downloading transactions: Back up the QuickBooks company file prior to any download or import so you can always start over if needed.; It is not possible to download transactions into the same QuickBooks Desktop company file more than once.