CMPT file format description

Many people share .cmpt files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cmpt file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cmpt files.

1 filename extension(s) found in our database.

.cmpt - Cesium Composite Tile Data

The CMPT data files are related to Cesium. The CMPT file is a Cesium Composite Tile Data. Cesium is a globe and map engine that can render 3D and 2D Maps.

Data files
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Cesium Composite Tile Data related extensions:
Cesium 3D Tiles Database
Cesium Batched 3D Tiles Data
Cesium Instanced 3D Tiles Data
Cesium Point Cloud Data
Cesium Vector 3D Tiles Data

Naturally, other applications may also use the .cmpt file extension. Even harmful programs can create .cmpt files. Be especially cautious with .cmpt files coming from an unknown source!

Can't open a .cmpt file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following 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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cmpt file extension is often given incorrectly!

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

cmp, cmt, cmtp, cpt, mpt

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

THEOS Compressed Archive
dBASE Encrypted Memo Data
WinBatch Studio Compilation Settings
Ccrypt Encrypted File
Microsoft SharePoint Content Migration Package
OCaml CMT Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .cmpt file format, then write to us! >> CMPT file