If you don't have Publisher, Microsoft's desktop publishing program, and a business associate sends you a Microsoft Publisher file, you have several options for opening it: convert it into a PDF for ...
When things are not working for you and you cannot save the file as PDF when using Publisher in Windows 11/10, try toggling between your default printer and another print device. When found, uncheck ...
As for converting to word, it's going to be a mess as word doesn't do the same stuff as publisher. You can always try to save as a word file from publisher but IIRC it only saves the text frames.