Edit Audio Track In External Software?

Hi,
I don't have a great deal of experience with Camtasia but have recorded a number of tutorials in the past. However, I now have a new microphone which is a little "bassy" and would like to give my recording a little more top end. Is it possible to take the sound track from a Camtasia Recording and use a graphic equaliser in an external sound editor and then return it to Camtasia?
Many thanks
TC
 
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