CSMANIFEST File Extension

CSMANIFEST file icon

ICQ 6 Settings

What is a CSMANIFEST file?

The CSMANIFEST file extension is linked to ICQ 6 Settings and belongs to the categories of Settings Files and Text Files, which include 1505 files.

The ICQ 6 Settings (CSMANIFEST) was developed by ICQ LLC, which created file format and programs to work with them.

CSMANIFEST files are compatible with various operating systems, including Windows, Mac OS and Linux. To open a CSMANIFEST file, you can choose from 2 programs such as Notepad++ and ICQ.

Programs that support CSMANIFEST files

Mac OS logo

Mac OS

Linux logo

Linux

How to open a CSMANIFEST file?

If you cannot open a CSMANIFEST 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.

Notepad++ and ICQ are recognized as the most popular software solutions for dealing with CSMANIFEST files. To set up the newest version of Notepad++ on your device, simply go to the official Notepad++ Team website. There you can download the edition compatible with every operating system.

Once installed, Notepad++ will be set as the default program, and CSMANIFEST files will open automatically.

Set Notepad++ to open CSMANIFEST by default

Setting a default program by file type in Windows

  1. Right click on your CSMANIFEST file, then select "Open with" and click "Choose another application";
  2. Find the Notepad++ application in the pop-up window and select it as your preferred program;
  3. Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening CSMANIFEST files.

Change default apps on Mac

  1. Right-click or use Control + Left-click on the desired CSMANIFEST file to access the file’s context menu;
  2. Select "Open in application" and click "Other";
  3. At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
  4. Within this menu, select "All Programs" and then locate Notepad++. Check the box next to "Always open in app" to set it as the default program.

How to edit a CSMANIFEST file?

Editing CSMANIFEST files requires installing professional software that lets you open and edit settings files. Online editors have more limitations compared to dedicated ICQ 6 Settings programs.

Best CSMANIFEST editors in 2026

Considering the mentioned criteria, we have compiled a list of CSMANIFEST editors that may suit your needs.

CSMANIFEST Editor SoftwareDeveloperPlatformsOverall Rating
Notepad++Notepad++ TeamWindows4.6 out of 5 (37 reviews)

Easy CSMANIFEST Troubleshooting

Certain problems with CSMANIFEST files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.

What are the steps to repair a damaged CSMANIFEST file?

Open the corrupted CSMANIFEST file in a recovery program and select the "Repair" menu item. Please be patient while the recovery process completes, which will automatically restore the damaged settings files.

How do I know if my CSMANIFEST file is corrupted?

Corrupted CSMANIFEST settings files may show the following signs:

  • Attempts to open the file result in errors or failed results;
  • Editing the archive in Notepad++ is accompanied by slow performance or delays;
  • The file causes Notepad++ or other programs to hang or crash during operation;
  • Unexplained increase in CSMANIFEST file size;
  • Error messages appear while working with the file;

What are the reasons behind Notepad++ crash?

The likely cause of Notepad++ crashing is lack of software updates. Install the latest updates available for Notepad++ Team products.

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.