Right click on the solid bodies folder and select save bodies
OR
Insert > Features > Save Bodies
To save bodies from multibody parts:
Click Insert, Features, Save Bodies.
Select the bodies to save in the graphics area, or under in Resulting Parts.
The callouts display the default path, file names, and location of the multibody part.
Under Resulting Parts, double-click each file name under File to open the Save As dialog box. You can select a new location and file name for each part. You can also click Auto-assign Names to select and name all bodies.
To create an assembly, under Create Assembly, click Browse, select a folder to save the assembly as SplitAssembly type (*.sldasm), and type a file name.
Click OK.
You might also find this post helpful for your future reference.
Welcome to SolidWorks forums Arun.
Right click on the solid bodies folder and select save bodies
OR
Insert > Features > Save Bodies
You might also find this post helpful for your future reference.