Default AbanteCart installation configured to handle most of media types such as jpeg and png images, pdf, zip archives etc.
However, some users may need to add new types allowed for upload (fix Filetype not allowed error)
Step-by-step guide
In your Resource Library (Catalog → Media Library).
1. Click edit button right of media resource
2. Add new file extension type to Allowed file extensions field for example to add .WebP image (an image format employing both lossy and lossless compression)
Similar way you can add allowed for upload formats for Archives, Videos
When new format added make sure browser, template or extensions are able to handle it.
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