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Open EXF file

EXF files: what are they and how do I open them?

Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.exf file type #1: CostX data exchange file

An exf file extension is used for default data exchange format in CostX program.

Further details:

The exf file extension is related to CostX program solutions used to prepare estimates, bills of quantities in construction industry, developed by Exactal Technologies.

The exf file contains data in default CostX data exchange format.

Open file with:

CostX

A complete 3D/BIM and 2D estimation software

.exf file type #2: ExactFile checksum digest data

An exf file extension is associated with the ExactFile program. An exf file stores checksum digest data.

Further details:

The exf file extension is related to ExactFile file integrity verification tool for Microsoft Windows operating system, developed by StudyLamp Software.

The exf file used in the program contains checksum digest data.

Open file with:

ExactFile

A file integrity verification tool

.exf file type #3: Exchangeable Image File Format

Files with exf extension might be found as images in Exchangeable Image File Format developed by the Japan Electronic Industry Development Association. Used in older digital cameras.

Further details:

The exf file extension is also related to Exchangeable Image File Format.

Exif (despite being an acronynm it is usually written as "Exif" rather than "EXIF") is a file format developed by the Japan Electronic Industry Development Association (JEIDA) principally for use by digital cameras. The specification uses the JPEG, TIFF and RIFF formats, with the addition of metadata tags.

There are some issues with the Exif format, including:

  •  If Exif files are read by programs other than the original manufacturer, their maybe metadata (data describing the image) which can not be read, and which becomes corrupt or lost if the file is then re-saved in Exif format.
  •  The standard defines a markernote tag which manufacturers can use to store any data they wish in. As this tag is proprietary and manufacturer specific, it is difficult, if not impossible to read this information or preserve when re-saving the image.
  •  Exif is limited to 24 bit color depth.
  •  Exif has no provision for video.

Open file with:

Photo Studio

A digital photo editing tool

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.exf" has the file extension "exf". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.