The converter was for WordStar formats in later versions — you could open a WordStar file and save as .doc or .rtf , but not save back to .ws format.
The (specifically the file wdsupcv.exe ) was an official utility released by Microsoft to enable legacy support for WordStar files within Microsoft Word. While it was standard for early versions like Word 97 and 2000, it has since been discontinued and is no longer included in modern Microsoft 365 or Word 2010+ installations. Historical Background wordstar converter pack for microsoft word
Historically, these converters were built for older versions of Word, such as Word 97 through Word 2003. Support was largely discontinued in later versions, requiring manual installation for modern users. How to Install and Use the Converter The converter was for WordStar formats in later