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Basic information about RLN file

When there is a problem with opening files with the file extension RLN（*.RLN or *.rln）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the RLN file yourself.

There are 1 file types using the RLN file extension in our database. In the further part of this page, you will find detail information about all the RLN file with their brief description and a list of programs that support RLN file sorted by operating systems. The table below provides useful information about the RLN file extension. It answers questions such as:
  • What is the RLN file?
  • How to open a RLN file?
  • What programs do I need to open a RLN file?
  • What programs help to create and edit a RLN file?
  • How to convert RLN files to another file format?
  • How to convert another files to RLN file format?


1.Detail information about RLN file extension: Alpha Four Database

File type Alpha Four Database Category Database Files
Developer Alpha Software, Inc. File format N/A
Description RLN file is a Alpha Four Database developed by Alpha Software, Inc.. RLN filename suffix is mostly used for Alpha Four Database files. Alpha Software, Inc. defined the Alpha Four Database format standard. RLN file format is compatible with software that can be installed on Windows system platform. Files with RLN extension are categorized as Database Files files. The Database Files subset comprises 341 various file formats. Alpha Four is by far the most used program for working with RLN files. On the official website of Alpha Software, Inc. developer not only will you find detailed information about theAlpha Four software, but also about RLN and other supported file formats.
Software programs that will open, edit or convert RLN files

Windows		 Alpha Four



Can't open a RLN file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.RLN”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the RLN extension without any issue.


Where I can download the application that support RLN file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How 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.


Can I change the extension of RLN files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a RLN file?

The reasons for the lack of the ability to open a RLN file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a RLN file. If there is still something wrong, you might want to check:

  • Whether the RLN file is damaged.
  • Whether the RLN file is incorrectly linked in the registry entries.
  • Whether the RLN file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the RLN file format is incompletely.
  • Whether the RLN file is infected.
  • Whether the drivers of the equipment used for opening a RLN file are up to date.
  • Whether your computer has enough hardware resources to open a RLN file.

If the RLN file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.