The only way how to convert older WordPerfect W51 documents to DOCX format is probably to get access to some previous version of CWP that still supports W51 format and save it to something like RTF in it. Then you can open RTF documents using MS Word and save it as DOCX.
Convert Corel WordPerfect 5.1 document file to Microsoft Word Open XML document.
We found one software available in the database for this conversion.
Microsoft Windows software - convert w51 to docx on Windows
Corel WordPerfect is word processor for Microsoft Windows.
Convert from w51 file format
|Yes, Corel WordPerfect supports docx file conversion as a target file type.||Yes||Yes||docx editor||Yes||No||No||No|
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.