Unlock Password Protected Documents via C++ Applications

readme.md

Unlock Microsoft Word Documents, Excel Spreadsheets, Powerpoint Presentations and PDF Documents by removing password or write protection via C++ Application

unlock-excel-spreadsheet.cpp

Aspose::Cells::Startup();

Workbook workbook(u"protected.xlsx");

Worksheet worksheet = workbook.GetWorksheets().Get(0);

worksheet.Unprotect();

workbook.Unprotect("password");

workbook.Save("unprotected.xlsx", SaveFormat::Auto);

Aspose::Cells::Cleanup();

unlock-pdf-document.cpp

String _dataDir("C:\\Samples\\");

auto pdfDocument = MakeObject<Document>(_dataDir + u"Decrypt.pdf", u"password");

pdfDocument->Decrypt();

pdfDocument->Save(_dataDir + u"unlocked.pdf");

unlock-powerpoint-presentation.cpp

auto loadOptions = System::MakeObject<LoadOptions>();
loadOptions->set_Password(u"123123");
    
auto presentation = System::MakeObject<Presentation>(u"pres.pptx", loadOptions);

presentation->get_ProtectionManager()->RemoveEncryption();
presentation->Save(u"encryption-removed.pptx", SaveFormat::Pptx);

unlock-word-document.cpp

System::SharedPtr<Document> doc = System::MakeObject<Document>(inputFileName);

doc->Unprotect();

doc->Save(u"unprotected.doc");