Bookkeeping is like working on a loom, weaving with yarn. Each strand of yarn is like the running balance in each account in the chart of accounts.
It is possible to enter any date you want for any transaction in QuickBooks. Back-dating is an option, but care must be exercised.
Here I explain a very efficient way to get a lot of transactions inputted quickly into QuickBooks. I honestly believe it is faster than relying on downloads. It uses a single window, the General Journal, to enter every transaction for a statement for the month.
Good bookkeepers are not merely data entry clerks, because QuickBooks is not merely a database.
There is a trend in bookkeeping and accounting for small businesses to rely on bank and credit card feeds to handle the bulk of transaction processing. While I applaud the advancement of technology, this trend has two significant limitations.