Open Invoices → Import (also linked from Settings → Import & export).
CSV upload checklist
- File must be
.csv, up to 5 MB and 2000 rows. - Press Upload and match columns and map required fields when prompted.
- The first successful mapping teaches PayBlah your headers for next time.
- Check Past imports for created / skipped / failed counts and open Details on a bad run.
Accounting sync
- If the connection shows expired or disconnected, open Manage connections / Connect and re-authorize.
- Note the last successful sync time. Nothing new will appear until a run completes.
- Enable the Accounting sync failed notification so you hear about it next time.
Still stuck
Export a small sample CSV that fails, capture a screenshot, and send it via Support with subject Accounting connection or Something isn't working.