RSP File Extension

Linker Response Format

File Type rsp
Developer Microsoft
Popularity
4.4 (35 votes)
Application PSPad
Category Settings Files

What is a RSP file?

The RSP extension is related to Linker Response Format and is classified in the Settings Files category, which contains 1190 files.

The Linker Response Format (RSP) was developed by Microsoft, which created file format and 242 programs to work with them.

RSP files are supported by Linux, Windows and Mac OS. To open a RSP file, you can choose from 5 programs such as Sublime Text, PSPad and Atom.

Windows

Mac OS

Linux

How to open a RSP file?

If you cannot open a RSP file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

Sublime Text, PSPad and Atom stand out as the preferred programs to manage RSP files effectively. To install the current version of PSPad, go directly to the official Jan Fiala website. The universal package for all operating systems is available there.

After successful installation, your operating system should seamlessly handle RSP files via PSPad.

Set PSPad as the default RSP program

Change Default Program on Mac

Right click or Control + left click on the desired RSP file;
Choose "Open in Application" and click "Other";
Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
Select "All Programs" from this menu and proceed to search for PSPad. Check the box next to "Always open in app" to set it as the default option.

Set default programs for Windows

Start by right-clicking on your RSP file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
In the pop-up window, select the PSPad application;
Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening RSP files.

Solve problems with RSP files

RSP files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.

What are the ways to check if my RSP file is damaged?

RSP settings files that have become corrupted may display one or more of the following symptoms:

The file does not respond or shows errors when opening it;
The file exhibits poor performance during editing operations in Microsoft Visual Studio;
The file stops responding or freezes in PSPad or other programs;
Unexplained RSP file size inflation;
Actions performed on the file result in the appearance of error notifications;

Why does PSPad crash or shut down frequently?

Insufficient updates for Jan Fiala products can cause PSPad to crash. Be sure to regularly install the latest software updates.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

Is there any specific software or utility that can help repair a damaged RSP file?

Use a recovery program to open the damaged RSP file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged settings files.

How to edit a RSP file?

To make changes to RSP files, you need specialized software that allows both opening and editing the settings files. Online RSP editors offer fewer capabilities than applications optimized for Linker Response Format.

Best RSP Editor Software in 2026

With the mentioned criteria in mind, we have assembled a selection of RSP editors.

RSP Editor Software	Developer	Platforms	Overall Rating
PSPad	Jan Fiala	Windows	4.7 out of 5 (41 review)
Notepad++	Notepad++ Team	Windows	4.6 out of 5 (37 reviews)
Sublime Text	Sublime HQ Pty	Windows, Mac OS, Linux	4.6 out of 5 (39 reviews)
Microsoft Visual Studio	Microsoft	Windows, Mac OS, Linux	4.2 out of 5 (35 reviews)
Atom	-	Windows, Mac OS, Linux	4.1 out of 5 (36 reviews)

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