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Details of the .ridl file extension

The table below provides useful information about the .ridl file extension. It answers questions such as:

  • What is the .ridl file?
  • What program do I need to open a .ridl file?
  • How can the .ridl file be opened, edited or printed?
  • Where can I find the specifications for .ridl?
  • Which MIME-type is associated with the .ridl extension?
  • How can I convert .ridl files to another format?
  • What are other, similar filename extensions to .ridl?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.ridl file extension details

Restricted Interface Definition Language Data

Restricted Interface Definition Language Data .ridl file icon
RIDL file is a Restricted Interface Definition Language Data. The RIDL file is the storage mechanism that the project uses to persist the type library data to disk.
RIDL format description not yet available
Category: Development files
Application: Embarcadero RAD Studio
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
RIDL aliases:
RIDL related links:
RIDL related extensions:

Other types of files may also use the .ridl file extension.

.ridl file extension error

The .ridl file extension is often given incorrectly!

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

rdl, idl, ril, rid, rodl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Report Definition Language File
Interface Definition File
Android Radio Interface Library
GerbMagic Raster Image
RemObjects Definition Language
open .ridl file

Can't open a .ridl 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ridl file association, check the FAQ.

.ridl file extension

Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ridl file extension, write to us!

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