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Viewer issue - this file format is not supported. only formats before 3.5 are supported. 2021-07-16t09:21:35.522z by anyua-titova

f79a96fd-b534-4182-a983-8e4d81d488ca/ГСН 15.07.2021.numbers

Originated From: https://api.groupdocs.app/viewer/v1/viewer/loadDocumentDescription
Exception: This file format is not supported. Only formats before 3.5 are supported.

Could you please share the problematic file?