If you are not able to find a transaction that you entered into AccountEdge there is an option in the program to find transactions.
Click 'Find' located along the bottom of the Command Center.
A window appears and you'll have an option to click on Account, Card, Item, Invoice, etc...
You can choose to search for a specific piece of information (ex. all transactions attached to a specific card) or a more general search (ex. all transactions attached to all cards).
You will then be able to do a search using a date range. If you click 'Filters' to the far right you'll be able to do an advanced search for the transaction in question.