Opening a DIA File

The DIA file type is primarily associated with Dia.

DIA	File extension: DIA
	File type:	drawing

What is a DIA file?

DIA files mostly belong to Dia by Dia Development Team. DIA filename extension is mainly associated with files containing UML drawings, flowcharts, and network diagrams created with Dia Diagram Editor which is used to draw technical and structured diagrams. The contents of such DIA drawings are stored as Gzip-compressed XML data consisting of lines, text, and curves which make up a vector image. DIA files created with Do It Again task automation software for Windows, are macro scripts containing source code used to automate tasks and processes. DIA filename extension is also associated with temporary files created when backup operations are performed in SharePoint Sever 2007 server content management software.

How to open DIA files

You need a suitable software like Dia to open a DIA file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DIA file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DIA file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DIA Text Viewer

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Programs that open and convert DIA files:

Dia by Dia Development Team
See the previous paragraphs to learn more about the main application. DIA files are often referred to as Dia vector images because this type of file is primarily created or used by this software.
Diagraph (drawing) by Computer Support
Diagraph was a graphics design and presentation software for managing libraries of drawings (symbols) etc. It provided over 2,200 symbols that are used in desktop publishing. DIA is the filename extension of the graphics format used by Diagraph. This file format is classified as Vector Image.
Do It Again (macro script) by Spacetornado
Do It Again is a Windows program used to automate repetitive tasks. It does this by simulating standard user events such as button clicks etc. DIA files used by this program contain macro scripts used to automate processes and tasks. This file format is classified as Developer.
FIM (photographic slideshows) by FIM Development Team
FIM (Fbi Improved) is a universal scriptable image viewer for Linux operating system. Photographic slideshows saved in DIA files can be viewed using FIM. This file format is obsolete. This file format is classified as Page Layout.
Psion Organizer (organizer diary data) by Psion
A family of palmtop computers and organizers marketed by Psion used DIA files to store the user's diary on the storage media available on such devices. This file format is classified as Data.

DIA file extension format:

If you can determine the file format, the associated program can also be determined. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Our evaluation of the DIA files is as follows:

DIA is one of the most common file extensions and mainly uses a defined DIA format. But the following two file formats are common:

70% of all DIA files internally utilize the GZIP file format. Gzip is a compressed archive file format. Gzip (GNU zip) is only capable of compressing a single file. They consist of unreadable binary data. The files are often between 1 KB and 8 KB in size. This file type is based on cutting-edge technology. Such DIA files store data about diagram, scheme, diagrama, architecture, flow, class, database and diagramme.
15% of all DIA files are associated with Dia drawing files, which internally utilize the well-known XML format. The Extensible Markup Language (XML) is a simple text-based format for representing structured information: documents, webpages, data, configuration, books, transactions, invoices, and much more. XML defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. The content consists of readable text data, which can be read using a text editor. The files are 31 KB to 900 KB in size, with a median of 240 KB. The following keywords are characteristic: <?xml version="1.0" encoding="UTF-8"?>, <dia:diagram xmlns:dia="http://www.lysator.liu.se/~alla/dia/">, <dia:color val="#ffffff"/> and <dia:diagramdata><dia:attribute name="background">. Such files are related to structure, data, laravel and quiz.

All other DIA files (15%) have no uniform format, often, for example, START and DIAG. They are often associated with classes, network, flowchart, schema, model or base. Just click the "Choose your .dia file to analyze" button on this page to find out what your DIA file is.

Technical Data for DIA File Extension

File classification:

Vector Image

Related files:

dia_, autosave, dian, gz, diagram1, zip, pro, png, txt, dai, deb, dat, d, pdf, dfd, exe, o, jpg, xsn, drl

Mime type:

application/octet-stream

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: Sc.Document
EXEFile: D:\Xilinx\bin\nt\sc.exe %1

ProgramID: diaFile
EXEFile: %ProgramFiles%\Dia\bin\dia.exe %1

ProgramID: diaFile
EXEFile: %ProgramFiles%\Dia\bin\diaw.exe

ProgramID: diaFile
EXEFile: %ProgramFiles%\Dia\bin\dia-win-remote.exe diaw.exe --integrated

Show all 4 listings To Top

a dia drawing is a special file format by Dia Development Team and should only be edited and saved with the appropriate software.

How to solve problems with DIA files

Associate the DIA file extension with the correct application.
Update your software that should actually open drawings. Because only the current version supports the latest DIA file format. Search, therefore, e.g. on the Dia Development Team manufacturer website after an available Dia update.
To make sure that your DIA file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .DIA file online - secure, fast, and no downloads needed.