Step by step
- Open Settings → Import and drop in the export files from your current system — several at once is fine.
- MEPSub detects what each file is and commits them in dependency order, so a payment lands after the invoice it pays.
- Review the preview: what will be created, what matched an existing record, and what was skipped and why.
- Commit the run. If it is not right, one click undoes the entire run — not file by file.
Note: Files are committed in dependency order, so a payment lands after the invoice it pays — you can drop the whole export in at once.
Careful: One click undoes the entire run, not file by file. Import during a quiet moment so an undo never costs you a day of live work.