Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .cid

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

Below, you can find answers to the following questions:

  • What is the .cid file?
  • Which program can create the .cid file?
  • Where can you find a description of the .cid format?
  • What can convert .cid files to a different format?
  • Which MIME-type is associated with the .cid extension?
EL-CID Data .cid file icon


CID file is an EL-CID Data. The Equipment Location-Certification Information Database (EL-CID) was developed to provide an automated tool to support electronic processing of spectrum certification requests at NTIA.
Category: Data files
Application: EL-CID
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

EndNote Web of Science Export
Empire Earth Civilization Information Data
Steinberg WaveLab Basic Audio CD Project
CheckInbox Settings
Steam Game Backup Data
Crystallographic Information File
ChmUpDate Data
Hitachi Ladder Editor Circuit Comment
ClamAV Local Database

The .cid filename extension is often given incorrectly!

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

ciw (20), civ (11), icd (1), cd (1), cud (1), cld (1), cjd (1), cis (1), cif (1), vid (1), cic (1), id (1), cdi (1), did (1), cod (1)

Can't open a .cid file?

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

Windows can't open this file:

File: example.cid

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 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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