- πΊπΈUnited States lisa.raeChecked the Flysystem V1 library documentation,, there is no mention of a "swift adapter" in the list of adapters. https://flysystem.thephpleague.com/v1/docs/ Without more information this issue cannot be addressed. Using Flysystem v2 with flysystem_s3, local, and sftp adapters, uploading and downloading .docx and .xls files works fine. Marking postponed, needing more information.