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Static File CSV Content-Type Changed to "text/csv" #395

Tratcher opened this issue Nov 25, 2019 · 0 comments


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@Tratcher Tratcher commented Nov 25, 2019

Static File CSV Content-Type Changed to "text/csv"

The default Content-Type that StaticFiles uses for .csv files is being changed to be the standards compliant value text/csv.

See aspnet/AspNetCore#17385 for questions and discussion.

Version introduced


Old behavior

The Content-Type application/octet-stream was used.

New behavior

The Content-Type text/csv is used.

Reason for change

This complies with RFC 7111.

Recommended action

If this change impacts your application then the Content-Type mapping can be customized as documented here.



Affected APIs


Issue metadata

  • Issue type: breaking-change
@Tratcher Tratcher added this to the 5.0 milestone Nov 25, 2019
@aspnet aspnet locked as resolved and limited conversation to collaborators Nov 25, 2019
@rynowak rynowak added the 5.0.0 label Nov 26, 2019
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