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Write to us
Tell us what you were doing and what you expected. Attach the diagnostic report from About › Save a diagnostic report: it contains no personal data.
Guides
Common questions
Where is my data?
In a private profile of the program on your computer. Deleting your browser's history does not touch it. Keep regular backups, and let the program remind you.
Windows says the installer is not recognised.
The installer is not yet digitally signed. Choose More info, then Run anyway. You can check the SHA-256 fingerprint on the download page.
I forgot the password.
It cannot be recovered. Restore a backup made earlier (one without a password, or with a password you remember).
Can two computers or cashiers use the same data at the same time?
No. The data lives on one computer. Several users can share that computer, each with their own login.
An item cannot be added to an invoice.
The item has no stock, or it was never received. Receive it from the Items tab, or count it in a stocktake.
The program asks me to choose a backup folder.
No copy exists outside this computer yet. Choose a folder in Settings › Data & backup, or download a backup from the ⋯ menu.
How do I move to a new computer?
Download a backup, install Mercista on the new computer and use Restore. Your license key belongs to the old computer: send us the new computer's Device code to receive a key for it.
A word is mistranslated.
The translations were prepared with software assistance and not every one has been checked by a native speaker. Please tell us.