Opening a ~DFM File

The ~DFM file type is primarily associated with Delphi.

~DFM	File extension: ~DFM
	File type:	Backup File

What is a ~DFM file?

~DFM files mostly belong to Delphi by Borland Software Corporation. Use our "Online ~DFM Text Viewer" below to analyze your ~DFM file and to see all text it contains.

How do you open ~DFM files?

You need a suitable software like Delphi to open a ~DFM file. You need a suitable software like Delphi from Borland Software Corporation to open a ~DFM 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 ~DFM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ~DFM file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ~DFM Text Viewer

Choose your .~dfm file to analyze

or drag and drop it here

Online File Viewer

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4 Steps to Open an Unknown .~DFM File

Because .~DFM files can originate from various programs, they aren't universally openable.

Identify the Source: Files received from software developers or found in legacy codebases often suggest a Delphi Form Backup File.
Check the Header: Inspect the first bytes in a text or hex editor:
- Text starting with object indicates a plain-text Delphi form.
- The bytes TPF0 suggest a compiled binary Delphi form.
- "PK" implies a zipped archive.
Use the Original Software: The original app is usually required; try Embarcadero Delphi, Borland Delphi, or a text editor like Notepad++. If unsure, ask the sender.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text or metadata, and preview contents when possible.

Technical Data for ~DFM File Extension

Related files:

dfm, ~pas, dpc, qr2

a ~dfm Backup File is a special file format by Borland Software Corporation and should only be edited and saved with the appropriate software.

How to solve problems with ~DFM files

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