.FLX File

File extension flx seems to be nowadays best know for its use for FLIC, a variant of AutoDesk FLC format that contains some changes from the standard. Probably used in animation software.

Files with flx suffix may be found as animations in so called FLIC format, a slight change from the standard Autodesk DLC format.

How to open:

Autodesk 3ds Max and similar software should offer users tools to handle .flx files.

How to convert:

Perhaps some sort of conversion or export is possible using 3ds Max.