Opening 4FI Files

The 4FI file type is primarily associated with 4th Dimension.

4FI	File extension: 4FI
	File type:	Database Windows ASCII Map

What is a 4FI file

4FI files mostly belong to 4th Dimension by 4D, Inc. The 4th Dimension product line offers a range of Mac OS and Windows products that can be used together to create a fully integrated, Web-enabled, cross-platform database development solution, or as individual components.

How to open 4FI files

You need a suitable software like 4th Dimension to open a 4FI file. You need a suitable software like 4th Dimension from 4D, Inc. to open a 4FI 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 4FI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a 4FI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online 4FI Text Viewer

Choose your .4fi file to analyze

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Online File Viewer

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.4FI File Won't Open? Here is What You Can Do

4FI files can originate from different programs and aren't universally openable.

Identify the Source: If received from a database administrator or a legacy 4D workflow, it is likely a 4th Dimension Database Windows ASCII Map.
Check the Header: Inspect the first bytes in a text editor or hex viewer. Look for:
- ASCII text, confirming a readable map.
- "PK", indicating a ZIP archive.
- Binary data, suggesting a proprietary format.
Use the Original Software: The original program is usually required; try 4D (4th Dimension) or Notepad. If uncertain, ask the sender.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for 4FI File Extension

File classification:

Database

Related files:

rex, tfr, 4qr

a 4fi Database Windows ASCII Map is a special file format by 4D, Inc. and should only be edited and saved with the appropriate software.

How to solve problems with 4FI files

Associate the 4FI file extension with the correct application.
Update your software that should actually open database windows ascii maps. Because only the current version supports the latest 4FI file format. Search, therefore, e.g. on the 4D, Inc. manufacturer website after an available 4th Dimension update.
To make sure that your 4FI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .4FI file online - secure, fast, and no downloads needed.