.DIA File Extension

File Type:
Dia Diagram File

Having trouble opening .dia extension? Don't panic! This page explains what dia files are as well as suggests programs you may use to open dia files. You can download these programs through this page.

What is a DIA file?

Dia file extension has Dia Diagram file type, developed by Dia, which is associated with the "vector image files" category.

Diagram drawing application called Dia is responsible for creating files with this extension. They include Gzip-compressed XML data and used to store various drawn objects (curves, blocks, and lines). DIA files can be exported to other formats: .PNG, .SVG, .EPS, and .FIG.  

To learn how you can open the given file, read the information below.

dia file icon
File Type:
Dia Diagram File
Vector Image Files

How to open DIA file?

Double click the dia file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .dia extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the dia extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the dia file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open DIA files

  • Windows Windows
    • Dia Dia
  • MacOS MacOS
    • Dia Dia
  • Linux Linux
    • Dia Dia

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the dia file as well. Download Universal File Viewer for your OS.

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Download for Mac
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