Hi Pianoman
I´m an Independant Advisor
I found this two possible methods, Please try them.
Method 1: Resave your document as Rich Text Format (RTF)
First, open your locked word document and do a "Save As…" specifying Rich Text Format (RTF). Then open the RTF file. It must look identical to the original Word document. Save the RTF file with a new name as a Microsoft Word format document. That's all. You have sidestepped the read-only lock on your word document.
Method 2: Using Microsoft Script-Editor
First, open your read-only password-protected Word document, and then press [Alt] + [Shift] + [F11] key combination to open the Microsoft Script-Editor. Search for "password" and you'll find something like this:
<w: DocumentProtection>ReadOnly</w: DocumentProtection>
<w: UnprotectPassword>123456</w: UnprotectPassword>
To unlock read-only password-protected Word document, just remove those two lines, and then resave the word document, the protection is gone.
Let me know if this can help you
This was found in
https://www.recoverlostpassword.com/article/unl...
Probably It could be a program so can unprotect your document.
Saludos
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it