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- If you never used the older categories associated with a business, they'll simply vanish.
- If you did use them, they'll get a new name to avoid mixing them up with our newly introduced categories. For instance, an old 'business' category might be renamed to 'business expenses, old'.
- While we did consider merging old data with the new categories automatically, we felt it was best for users to decide on this to avoid any accidental mix-ups.
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