Map a Sage or CSV export in Settings → Migration. Reconnect the bank. Do not re-key.
Nominative guide, not a partnership. No API keys, no endpoint list, no importer internals. Those stay behind login for clients. Tax prep stays last. ficary has not earned SOC 2, ISO 27001, or a HIPAA attestation.
The move
Export the Sage file you can open.
Map it in Settings → Migration.
Reconnect the bank. Confirm opening balances once.
Stay on Sage when
Choose Sage when the accountant already runs the file there.
Move when
Choose ficary when the owner became the bookkeeper and needs leftovers in English.