Selected sessions can be exported with raw data into file (button 2) and shared across different projects and can be imported to any project (button 3)
Export Raw Measurement Data
Export raw measurement data button will be enabled when user select one/more sessions and on click of export user will be directed to new modal window where export file name and file path will be requested .On click of Export export file will stored in selected path with .mmraw extension.
This .mmraw file contains exported sessions information and raw data.
To to see exported .wav files
Unzip exported (Session123.mmraw) file
You can find two files in that 
The .SessionInfo file is useful for GTT while importing same raw data. Unzip .mmdata to get .wav files.
Import Raw Measurement Data
.mmdata extensions file is used to import measurements to current project.
If there is session with same session id available inside project already user will be asked to give input to overwrite session or create new session.
On Yes click old session will be overwritten/replaced by imported sessions .
On No click imported sessions will be created with new session ids.
In any case if imported file session names are already present while importing, sessions will be imported with new names.