Catch-up bookkeeping: getting a behind Xero file current
Fallen months — or years — behind in Xero? It feels worse than it is. With a bank-first plan and the right order, you can get a backlog current without the panic, and without double-counting on the way.
Start from the bank, oldest first
Download the bank statements for the whole period and work forward from the oldest unreconciled month. Reconcile each month fully before moving on — every deposit tied to the invoice it paid, every payment to its bill. Doing it period by period keeps the work honest and stops errors compounding.
Clear the backlog in order
Bring in bank and card transactions, code them, match payments to invoices and bills, then reconcile. Resist the urge to “tidy” older periods by force-matching amounts — that creates the exact mess catch-up is meant to avoid. If a month won’t balance, note it and keep going; flag it for a closer look rather than fudging it.
Behind vs. messy
Being behind is just unreconciled time to work through. If, as you go, you find income counted twice, a clearing account that never clears, or invoices that were paid long ago still sitting open, that’s drift — and it needs a cleanup, not just catching up. See how to clean up a messy Xero file.
Get BAS-ready
Once the periods reconcile to the real bank, your GST position is trustworthy. Leave the BAS timing and any amendments to your registered agent or accountant — your job is accurate books underneath.
Behind and tangled?
If it’s not just behind but drifted, Extrua Reconcile rebuilds it on a read-only copy, evidenced.
FAQ
Where do I start if I'm years behind in Xero?
Start with the bank statements, oldest first. Reconcile period by period against the real bank, not the live feed, so each month is true before you move to the next. Trying to fix everything at once is how mistakes creep in.
Is 'behind' the same as 'messy'?
No. Behind just means unreconciled periods to work through. Messy means duplicates, phantom income or a clearing-account graveyard on top — that needs a cleanup, not just catching up.
Can I still lodge BAS while catching up?
Your registered agent or accountant handles BAS timing and any amendments. Your job is to get the underlying books accurate first; the lodgement decisions are theirs.