File Extension DFW

.DFW File

File extension: DFW
File type: Math Package


Notes about the DFW file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The DFW file type is primarily associated with 'DERIVE' by Chartwell-Yorke Ltd. DERIVE is a PC program that does plotting, approximate numeric mathematics, and exact symbolic mathematics from Algebra through second year Calculus and Differential Equations. It is widely used in both education and industry. Use TrID to determine the specific version the data file was written by.

Detailed information for file extension DFW:


Primary association: DERIVE
Company: Chartwell-Yorke Ltd
Identifying characters Hex: 44 , ASCII: D
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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