RSS File Extension

What is a RSS file?
The RSS extension is related to Rich Site Summary and is classified in the Web Files category, which contains 283 files.
RSS files are supported by Windows, Mac OS and Linux, as well as mobile phones such as Android and Apple iOS. When working with RSS files, you can rely on 7 programs, including FeedDemon, Reeder and Cappuccino.
MIME types
- application/rss+xml
File Signature
HEX code: 3C 3F 78 6D 6C 20 76 65 72 73 69 6F 6E 3D 22 31 2E. ASCII code: .?xml.version=.
Programs that support RSS files

Linux

Android

Apple iOS

Online Services
How to open a RSS file?
If you can’t open a RSS file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
FeedDemon, Reeder and Cappuccino stand out as the preferred programs to manage RSS files effectively. To get the latest version of FeedDemon, open the NewsGator website where a universal installer for all operating systems is available.
When you finish installing FeedDemon, the system will automatically launch RSS files with it.
Set FeedDemon to open RSS by default
Change default apps on Mac
- Right-click or use Control + Left-click on the desired RSS file to access the file’s context menu;
- Choose "Open in Application" and click "Other";
- At the bottom of the window, you will see the "Enable" menu. It is already set to the default option, "Recommended Programs";
- Within this menu, select "All Programs" and then search for FeedDemon. Check the box next to "Always open in app" to make it the default program.
Set default programs for Windows
- Take the first step by right-clicking on your RSS file. Next, select "Open With" and then choose "Choose another app" from the available options;
- Find the FeedDemon application in the pop-up window and select it as your preferred program;
- Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening RSS files.
Easy RSS Troubleshooting
When facing challenges with RSS files, simple adjustments in your software can often solve the problem. Find helpful troubleshooting guidance below.
How do I know if my RSS file has been damaged?
RSS web files that have become corrupted may display one or more of the following symptoms:
- Error alerts occur when actions are performed on the file;
- When opening the file, errors occur or the inability to access its contents;
- Unexplained RSS file size inflation;
- FeedDemon or other programs stop responding or crash when trying to handle the file;
Why does FeedDemon quit or crash unexpectedly?
Lack of software updates is a possible reason behind FeedDemon crash. Keep your NewsGator products up to date by installing the latest updates.
Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.
What methods can be used to repair a damaged RSS file?
In a data recovery program, open the damaged RSS file and select the "Repair" menu option. Allow the recovery process to complete, which will automatically repair the damaged web files.









