Open APR file

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

apr file icon 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.

.apr file type #1: ArcView project

An apr file extension is associated with the ArcGIS for Desktop and used for its project files.

Further details:

The apr file extension is related to ArcView (also known as ArcGIS for Desktop) and used for its project files.

The apr project file can be thought of as being a folder that stores ArcView Documents. Actually, Projects do not contain duplicates of spatial or tabular data, but merely stores "pointers" to the original data as well as storing the Project GUI display format.

Project Documents:

  • View - A View is a collection of geographic features, grouped by Themes . A View has two components: a Legend and a display window.
  • Tables - A Table is a collection of attribute data, typically linked to spatial features in a Theme.
  • Charts - A Chart is a graphic representation of attribute data in a Table. A Chart can be dynamically linked to both a View and a Table.
  • Layouts - A Layout is a collection of other ArcView Documents in map format.
  • Scripts - A script is a computer program that accomplishes these three objectives: add new capabilities to ArcView, automate tasks, and build customized applications.

Open file with:

ArcGIS for Desktop Basic (ArcView) icon

ArcGIS for Desktop Basic (ArcView)

A GIS application used to work with geographic data

.apr file type #2: Lotus Approach view data

An apr file extension is related to the Lotus Approach and used for its view data.

Further details:

The apr file extension is used by Lotus Approach, a database management system for Microsoft Windows operating system, developed by IBM.

The apr file contains view data from Approach.

Mime types:

Open file with:

Lotus Approach

An old relational database solution by IBM

.apr file type #3: MicroSim PCBoard aperture information report

An apr file extension is related to the MicroSim PCBoard aperture information report format.

Further details:

The apr file extension is associated with the MicroSim PCBoard (now OrCAD), a programming tool for Microsoft Windows operating system developed by Cadence Design Systems.

The apr file stores aperture information report.

Open file with:

OrCAD PCB Designer icon

OrCAD PCB Designer

A modeling suite used to design printed circuit boards

.apr file type #4: SAM alignment probabilities

An apr file extension is related to the SAM (Sequence Alignment and Modeling system) and used for its alignment probabilities files.

Further details:

The apr file extension is used for SAM (Sequence Alignment and Modeling system) alignment probabilities file, as created by pathprobs. An RDB-compatible format.

Most likely some old format without support. No further information could be found.

Open file with:

Sequence Alignment and Modeling system

Software tools for creating, refining, and using linear hidden Markov models for biological sequence analysis

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.apr" has the file extension "apr". 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.