The most common and most likely answer to this crossword clue is the 8 letter word WRITE-UP
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More clues leading to the result WRITE-UP
Buddy explains!

The straight part
We know that "Account" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case account = write-up.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does WRITE-UP mean?
WRITE-UP noun- A written account of something, as a record.
- An increase made to the book value of an asset that was previously undervalued.
- A review published in the print or online media for a film, book, etc.