A pew file extension is related to data files used by IAR Embedded Workbench.
PEW file extension - IAR Embedded Workbench data
What is pew file? How to open pew files?
File type specification:
The pew file extension is associated with IAR Embedded Workbench. The pew file stores some kind of data used by this program.
Most likely some old format without support. No further information could be found.
This pew file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.