.dex

File Type 1 Generic IconDEXIS Digital X-ray File
File Format Proprietary (DEXIS)
Usage Open manually
Rank ★ ☆ ☆  Uncommon
Description

X-ray image saved in the proprietary X-ray format; used by the DEXIS Digital X-ray system for dental imaging; captures dental radiographs and saves them in a digital format.

DEXIS was acquired by Danaher Corporation in 2005.

Open With
Windows

IconDEXIS DEXview

Updated 2007
File Type 2 Generic IconDalvik Executable File
File Format Proprietary (Google)
Usage Runs when opened
Rank ★ ★ ★  Common
Description

Executable file format that contains compiled code written for Android, Google's Linux-based mobile phone platform; technically referred to as a "Dalvik Executable," and can be interpreted by the Dalvik virtual machine.

DEX files can be created manually or by automatically translating compiled Java programs. Multiple DEX files are zipped into a single .APK package, which serves as the final Android application file.

Open With
Windows

IconGoogle Android SDK

macOS

IconGoogle Android SDK

Unix

IconGoogle Android SDK

Updated December 10, 2008
File Type 3 Generic IconExcel Spreadsheet
File Format Proprietary (Microsoft)
Usage Open manually
Rank ★ ☆ ☆  Uncommon
Description

Spreadsheet or group of spreadsheets created by MS Excel; contains data formatted in cells, which are organized into rows and columns.

The .XLS extension is much more commonly used for Excel files.

Open With
Windows

IconMicrosoft Excel for Windows

macOS

IconMicrosoft Excel for Mac

Updated 2007
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