Converting eDrawings (.easm) files back to original Solidworks parts (.prt) will be possible only if the original creator and the one that exported to eDrawings in the first place did select that option in export settings. Otherwise, there is really no way how to convert .easm files as they are indented primarily for viewing and publishing purposes.
Convert SolidWorks eDrawing assembly data to CAD 3D part or component.
We have found one software suitable in our database for this conversion.
Microsoft Windows software - convert easm to prt on Windows
A popular is 2D and 3D CAD (computer-aided design) and CAE (computer-aided engineering) construction software for Microsoft Windows developed by SolidWorks Corporation.
SolidWorks is distributed in three distributions: Solidworks Premium, Solidworks Professional and SolidWorks Standard.
Convert from easm file
to prt file
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.