Upload a CSV exported from FNB. Missing transactions will be added as manual imports (Source: FNB_manual_import). If the same transaction later arrives via the API, the system will flag it as a possible duplicate for you to confirm and merge.

Expected format: table with columns Date, Amount, Balance, Description (date e.g. 3/16/26). Preamble lines (e.g. account info) are skipped automatically.