SUR file format description

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

3 filename extension(s) found in our database.

.sur - Topocad Survey Data

The SUR data files are related to Topocad. The SUR file is a Topocad Survey Data. Topocad is a topographic CAD application that works with survey data from the field. A survey data (SUR) document contains all of the survey data.

Data files
- / -
Topocad Survey Data related extensions:
Topocad Digital Terrain Model
Topocad Polygon Point Coordinate Data
Topocad Coordinate Data
Topocad Attributes Data
Topocad Camber Diagram
Topocad Cross Sections

.sur - Freelancer 3D Collision Zone Data

The SUR game data files are related to Freelancer. The SUR file is a Freelancer 3D Collision Zone Data. Freelancer is a space trading and combat simulation video game developed by Digital Anvil. Freelancer Mod Manager (FLMM) is a tool to manage your Freelancer-Mods.

Game Data files
- / -
Freelancer 3D Collision Zone Data related extensions:
Freelancer 3D Model Layout
Freelancer Saved Game
Freelancer Model Textures Data

.sur - BSL Surface Plot Data

The SUR data files are related to BSL. The SUR file is a BSL Surface Plot Data. BSL is a 2-D interactive data manipulation package for image data.

Data files
- / -
BSL Surface Plot Data related extensions:
BSL Weighted Addition Data
BSL Average Data
BSL Background Subtraction Data
BSL Circular Integration Data
BSL Convolve Data
BSL Cut Part of an Image

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

Can't open a .sur 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 .sur file extension is often given incorrectly!

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

cur, eur, shr, sir, sjr, skr, sr, sru, su, sud, suf, sut, syr, ur, usr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Sybase PowerBuilder User Object
ScratchJr Project
ELITEpro Setup Tables Data
Powersim Studio Simulation Run File
Ur Source Code
Monster Hunter Freedom Unite Europe Saved Game

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

If you find the information on this page useful, please feel free to link to this page.

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