Upload a file with extension (.VCF)

[texnixe]

I tested this before I posted here, so what exactly did you do. E.g. I have this file blueprint:

/site/blueprints/files/vcf.yml

title: VCF

accept:
  extension: vcf

And in my site.yml, I added this files section:

columns:
  - width: 1/2
    sections:
      files:
        type: files
        template: vcf

Tested with a 3.6.5 Starterkit.

What does your blueprint look like? Do you have an additional setting type in there?