All about ~DF Files

The ~DF file type is primarily associated with Delphi.

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

What is a ~DF file

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

How can I open a ~DF file?

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

Online ~DF Text Viewer

Choose your .~df file to analyze

or drag and drop it here

Online File Viewer

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4 Steps to Open an Unknown .~DF File

Since .~DF files come from various programs, they aren't universally openable.

Identify the Source: A file from a software developer suggests a Delphi Form Backup. Alternatively, it may be a generic system backup.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Text like object indicates a Delphi backup.
- "PK" implies a ZIP archive.
- Binary data suggests a proprietary format.
Use the Original Software: The original app is usually required. Try Embarcadero Delphi or Notepad++, but if uncertain, 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 when possible.

Technical Data for ~DF File Extension

Related files:

df, ~pas, drc, dpc

a ~df DFM File Backup 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 ~DF files

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