So, that may be why you have prior year data. If you still want to delete something just highlight it and hit Cntl Del. You should be able to highlight multiple items and delet the entire grouping if needed.
The complete Year End support article is:
I've always thought the 'year end copy' function goes back to years ago when large data files were problematic, given the horsepower of early century PC's. My datafiles goes back to 1994 and have over 67,000 transactions - I have no issues running it through Quicken. I have not used the year end copy function since 2000.
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