[Online Searchable Document App and DOCX Text Search API Code Develop powerful .NET based DOCX document search engine software or utility app. Test online document text finder app for free. Download How to Search in DOCX via Online App Upload DOCX file to search by clicking inside the drop area or via drag and drop. Enter the search criteria by specifying the parameters. Click the “SEARCH” button to search DOCX. Download the searched DOCX to view instantly. How to Search DOCX File via C# Install ‘Aspose.Words for .NET’. Add a library reference (import the library) to your C# project. Open the source DOCX file using Document class. Use the Range.Replace function to find and replace text. Or set the search criteria in Regex and pass it as parameter in Replace method. Call the ‘Save()’ method to save the document passing an output filename. Code example in C# to Search Text in DOCX Files The .docx format is the modern XML-based standard for Word documents. It offers better performance, reduced file size, and advanced search capabilities. Use Cases Quickly locating terms, headings, or comments in large multi-author documents. Searching and replacing formatting or styles using advanced find tools. Filtering content via Navigation Pane for chapters or section titles. Finding custom tags or metadata embedded for workflows or automation. Reviewing tracked changes or specific comments during document collaboration. Develop DOCX File Search Engine via .NET Need to develop a DOCX searchable software or utility? With Aspose.Words for .NET a child API of Aspose.Total for .NET, any developer can integrate the above API C# code to program text search across documents. Powerful C# library allows programming document search software solution that can support many popular formats including DOCX format. C# library to Search DOCX File There are three alternative options to install “Aspose.Words for .NET” or “Aspose.Total for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions: Install a NuGet Package . See Documentation Install the library using Package Manager Console within Visual Studio IDE Install the library by hand using Windows Installer System Requirements Our product is fully cross-platform and supports all major .NET implementations following ‘.NET Standard 2.0’ specification: Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest ‘.NET Framework 4.8’ .NET Core, starting from the earliest 2.0, and ending with the latest ‘.NET 6’ Mono >= 2.6.7 As .NET code doesn’t rely on the underlying hardware or operating system, but only on a Virtual Machine, so you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin. We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop IDE to create C#, F#, VB.NET applications. Fore more details please refer to Product Documentation . FAQs Can I use above C# code in my application? Yes, You may download this code or copy it to use it for the development of any files text extraction and retrieval .NET based application. Is this document searchable App work only on Windows? One can search from any device, regardless of the operating system either it is Windows, Linux, Mac OS and Android, that has a modern browser and an internet connection. Is it safe to use the online app DOCX Document Search? Of course! Output files will be deleted from our servers after 24 hours and download links will stop working. What browser should to use App? You can use any modern web browser, such as Google Chrome, Firefox, Opera, or Safari, for the online DOCX document search. However, if you are developing a desktop application, the Aspose.Total Document Search API is recommended for smooth and efficient processing. Explore File Search Options with .NET Search in DOC (Microsoft Word Binary Format) Search in DOCX (Office 2007+ Word Document) Search in Excel Search in ODP (OpenDocument Presentation Format) Search in ODS (OpenDocument Spreadsheet) Search in ODT (OpenDocument Text File Format) Search in PDF (Portable Document Format) Search in PowerPoint Search in PPT (PowerPoint Presentation) Search in PPTX (Open XML presentation Format) Search in Word Search in XLS (Microsoft Excel Binary Format) Search in XLSX (Open XML Workbook) ]