Use the System.IO.Compression namespace to create a ZIP from a folder or a collection of files programmatically before serving it as a FileResult .

Depending on your tech stack, here are the most likely ways to implement this feature: 1. Web-Based Zip Generation (Server-Side)

If the platform uses ServiceNow, you can use GlideSysAttachment and ZipOutputStream to bundle attachments into a single ZIP file for the user.

If you are developing a web interface for CWsof to allow users to download multiple files or a repository snapshot:

Since CWsof focuses heavily on Win32 programming and PowerBasic , you might be looking to build a ZIP feature directly into a desktop application: Extending Classic (6.0) Visual Basic – Part 1

You can host the file in a directory and provide a standard HTML link: Download ZIP .

For automation and software distribution, tools like Buildout can be configured to use download caches and package software into ZIP or GZIP snapshots. 2. Manual/Static Download Links

If the goal is simply to provide a link to an existing ZIP file hosted on the CWsof server: