Deepfish browser

This page was last updated at: May 6, 2026

Deepfish was a Mobile web browser that ran on Windows Mobile. It was developed by Microsoft. It was developed for about a year before being discontinued.

An experimental browsing technology from Microsoft, designed for Windows Mobile devices. It aimed to provide a consistent browsing experience across desktops and mobile devices. It consisted of a lightweight mobile browser that pulled content from the backend servers; which proxied and did most of the processing.

Microsoft Live Labs Deepfish was an experimental project and was never fully released.

About Deepfish

Browser made by Microsoft
Development Status Discontinued
The developers have announced that the browser won't be developed any more
A technology demo, never fully released
Launched 2007
Discontinued 2008
Operating System Windows Mobile
Device platform Mobile
Wikipedia Article https://en.wikipedia.org/wiki/Microsoft_Live_Labs_Deepfish
News Article Microsoft deep sixes Deepfish mobile browser
News Article Microsoft unveils ‘Deepfish’ mobile Web browser

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