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Details of extension .ceo

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ceo file?
  • Which program can create the .ceo file?
  • Where can you find a description of the .ceo format?
  • What can convert .ceo files to a different format?
  • Which MIME-type is associated with the .ceo extension?
Winevar Worm Executable .ceo file icon

Winevar Worm Executable

The CEO file is a Winevar Worm Executable. Winevar This destructive memory-resident Internet worm runs on all Windows platforms! Winevar is a mass-mailing worm that disables some antivirus and firewall programs and drops and executes the W32.FunLove.4099 virus.
Category: Malware files
Application: -
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
.fne Trojan FNE
.dli DLI Backdoor Trojan
.tsa Jnanabot Trojan File
.ezz TeslaCrypt Encrypted File
.ska Happy99 Worm Data

Other types of files may also use the .ceo file extension. If you have helpful information about .ceo extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.co Cult3D Object
.ce ComputerEyes Raw Image
.cep CostOS Estimating Project
.coe Xilinx CORE Generator Coefficients
.seo SEO Note
.cfo Borland Turbo C Form Object

The .ceo filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cei (1), ce (1), xeo (1), seo (1), eco (1), cso (1), coe (1), cfo (1), cel (1), ce0 (1), cdo (1), veo (1), eo (1), deo (1), cro (1)

Can't open a .ceo file?

If you want to open a .ceo file on your computer, you just need to have the appropriate program installed. If the .ceo association isn't set correctly, you may receive the following error message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android