What is .AQQ ?

19k+ file extensions explained, verified on real systems and kept up to date - since 2014.

Drop any file here or browse read locally · nothing is uploaded

Identify an unknown file in one second

Analyzed in your browser. The file never leaves your device - no upload, no server.
Real signature check. We compare magic bytes against 1,900 known formats - renamed files can't hide.
Instant answer. Format name, safety notes and programs that open it.

File of the day

October 21, 2026
.EASM
eDrawings Assembly
CAD Files
updated Aug 19, 2026

The .easm file extension is used for files containing 2D/3D assembly drawings created with CAD software and published via the eDrawings Publisher plugin - built into SolidWorks or available as an add-in for other CAD packages. An .easm file is a read-only…

OPENS ONAndroidiOSMac OSmacOSWindows

Browse by category

All categories

Popular conversions

All conversion guides
The database at a glance

File formats, the programs that open them and how to convert between them - with the technical details in one place. Browse everything →

19k+extensions
13k+programs
16k+conversions