Compress ONETOC2 format using C#

ONETOC2 Compression Overview

With Aspose.ZIP for .NET, you can compress ONETOC2 office documents using a clean, fully managed C# API for server and desktop workflows. You can process individual files or collections, use streams for I/O, and tune compression levels to match storage and transfer needs. This is handy when bundling office documents for delivery. Create ZIP, 7Zip, TAR, GZIP, and other archives without external utilities, and use encryption options when you need to protect ONETOC2 data. This provides a practical way to automate packaging and reduce storage footprints in .NET solutions.

  PM> Install-Package Aspose.ZIP

C# Example: Create a ZIP Archive from ONETOC2 Files

The snippet below shows the core API steps to compress a ONETOC2 file: create an Archive object, add the entry, and save the resulting ZIP.

Compress ONETOC2 file via .NET:

    var dir = "full directory path";
    using (var arch = new Archive())
    {
    arch.CreateEntry("filename.onetoc2", dir+"file.onetoc2");
    arch.Save(dir+"archived_result.zip");
    }

FAQ

Can I compress multiple ONETOC2 files into a single ZIP archive using C#

1. Yes. Aspose.ZIP for .NET allows you to load and compress multiple ONETOC2 files by adding each file as an entry to the Archive object. You can combine individual files, folders, or streams into a single ZIP archive through a straightforward C# workflow.

Does Aspose.ZIP for .NET reduce the original quality of ONETOC2 files?

2. No. Aspose.ZIP performs lossless compression, meaning that the content and quality of your ONETOC2 files remain unchanged. The library only reduces file size by applying efficient archive compression algorithms without altering the actual data inside the file.

Can I password-protect ZIP archives that contain ONETOC2 files?

3. Yes. The library supports password protection and AES encryption, allowing you to securely package sensitive ONETOC2 files. You can specify encryption settings when creating entries or during the archive-generation process.