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File Type of the Day

Today • November 9

.APPDOWNLOAD

Mac App Store Partially Downloaded App

An APPDOWNLOAD file is a file created by App Store, a program included with Mac OS X 10.6.6 or later that allows users to purchase macOS (OS X) software. It saves the contents of a purchased .APP file as it's being downloaded from the store.

November 8

.CSS

Cascading Style Sheet

A CSS file is a cascading style sheet (CSS) file used to format the contents of a webpage. It contains customized global properties for how to display HTML elements.

November 7

.ASPX

Active Server Page Extended Webpage

An ASPX file is a webpage written in the Active Server Page Extended (ASPX) format. Web servers running Microsoft's ASP.NET framework use ASPX files to generate dynamic webpages.

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