QuickBooks is Accounting software where small, mid, and large-sized business manages its payrolls, sales, inventory, and a variety of finance-related operations. if you need to download more than 90 days of banking transactions, then you’ll need to import your banking transactions using an.CSV or a.QBO file. If you are facing any trouble regarding QuickBooks Import Transactions Then you can Dial QB toll-free number (844-888)-4666.