Showing error when password protected OpenXml Word document get resaved as a password protected binary Word in office 2010

In microsoft word i have created openxml.doc(*.docx) file given credentials 'abc' as Readpassword and 'xyz' as WritePassword.

Now i have to convert openxml.doc to binary.doc(WdSaveFormat=0) the document is created sucessfully as Binary.doc using below code

 // Convert OpenXml.doc into binary.doc     Convert(@"C:\Test\OpenXml.doc", @"C:\Test\binary.doc", WdSaveFormat.wdFormatDocument);   // Convert a Word .docx to Word 2003 .doc         public static void Convert(string input, string output, WdSaveFormat format)         {             // Create an instance of Word.exe             Word._Application oWord = new Word.Application();              // Make this instance of word invisible (Can still see it in the taskmgr).             oWord.Visible = false;              // Interop requires objects.             object oMissing = System.Reflection.Missing.Value;             object isVisible = true;             object readOnly = false;             object oInput = input;             object oOutput = output;             object oFormat = format;             object oNewPassword = "xyz";             object oOldPassword = "abc";             object test = null;              try             {                 // Load a document into our instance of word.exe                 // suppose password "abc"                 Word._Document oDoc = oWord.Documents.Open(ref oInput, ref oMissing, ref readOnly,                                                             ref oMissing, oOldPassword, ref oMissing,                                                             ref oMissing, oNewPassword, ref oMissing,                                                             ref oMissing, ref oMissing, ref isVisible,                                                             ref oMissing, ref oMissing, ref oMissing,                                                             ref oMissing);                  // Make this document the active document.                 oDoc.Activate();                  // Save this document in Word 2003 format.                 oDoc.SaveAs(ref oOutput, ref oFormat, ref oMissing,                             ref oOldPassword, ref oMissing,                             oNewPassword, ref oMissing, ref oMissing,                             ref oMissing, ref oMissing, ref oMissing,                             ref oMissing, ref oMissing, ref oMissing,                             ref oMissing, ref oMissing);                 Console.WriteLine(test);                 // Always close Word.exe.                 oWord.Quit(ref oMissing, ref oMissing, ref oMissing);             }             catch (Exception)             {                 throw;             }         } 

But when try to open document manually or from code it accepts Readpassword('abc') as shown below

but when tries to give WritePassword('xyz') it doesnt accept and shown password incorrect error.Please check below screenshots

1 Answers

Answers 1

With the code you provided I am also not able to correctly set the read/write passwords. It seems that Word is not able to change the save format and retain the read/save passwords at the same time (this might be a bug or simple an unsupported scenario).

However, there is a very simple workaround: Just save the document temporarily without password and then set the password again:

public static void Convert(string input, string output, Word.WdSaveFormat format) {     // Create an instance of Word.exe>     var oWord = new Word.Application();      // open the protected document     var oDoc = oWord.Documents.Open(input, PasswordDocument: "abc", WritePasswordDocument: "xyz");      // save the document without password first     oDoc.SaveAs(FileName: output, Password: "", WritePassword: "");      // close and reopen     oDoc.Close();     oDoc = oWord.Documents.Open(output);      // set the password     oDoc.SaveAs(FileName: output, FileFormat: format, Password: "abc", WritePassword: "xyz");      oWord.Quit(); } 

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