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Which file formats are supported?

Suppliers and files · updated 21 October 2026

  • CSV and TXT, with any separator and encoding.
  • Excel XLSX and old XLS, with a sheet picker.
  • XML and JSON.
  • ZIP archives containing any of these.
  • API answers in JSON (paged) or XML.
  • PDF price lists and invoices, for adding products.
Still stuck? Use Send feedback in the app, or write to support@moststack.com. Support details.

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