Files with dif extension may be found as very old spreadsheets in the NAVY Data Interchange Format. Somewhat rare nowadays.

There are 5 other file types using
the DIF file extension!

empty icon.dif - OS/2 display information file

empty icon.dif - Diff output from Diff command script for Patch command file

empty icon.dif - Digital Interface Format

dif icon.dif - DVCPRO or DV video data

empty icon.dif - MAME CHD diff saved data

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DIF file extension - Navy DIF spreadsheet

What is dif file? How to open dif files?

File type specification:

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

dif file icon: dif filetype icon

File extension dif is mainly known for its use for spreadsheet files saved in Data Interchange format.

Data Interchange Format, also known as Navy DIF, is a text file format used to import/export single spreadsheets between spreadsheet programs ( Calc, Excel, Gnumeric, StarCalc, Lotus 1-2-3, FileMaker, dBase, Framework, Multiplan, etc.).

The .dif file is a workbooks, with the limitation that single workbook contains only single spreadsheet. These files were originally used by VisiCalc.

Updated: March 14, 2023

The default software associated to open dif file:

Microsoft Excel icon

Microsoft Corporation logoMicrosoft Excel  Microsoft Windows software

Company or developer:
Microsoft Corporation

A popular spreadsheet application distributed with Microsoft Office suite, Excel is offers calculating, contains graphing tools, pivot tables and own programming language based on Visual Basic.

Excel supports charts, graphs or histograms generated from specified groups of cells. Excel also can change data between other Microsoft Office applications. It is available for Microsoft Windows, Mac OS X (macOS) and various mobile platforms.

Microsoft Excel for Mac icon

Microsoft Corporation logoMicrosoft Excel for Mac  Apple macOS / Mac OS X software

Company or developer:
Microsoft Corporation

Microsoft Excel for Mac is popular spreadsheet application used to analyze, organize and manage data and lists. It is able to create visually rich datasheets and tables with icons, data bars and color scales. Microsoft Excel for Mac is fully compatible with Microsoft Excel for Windows.

VisiCalc picture or screenshot

VisiCalc  Microsoft MS-DOS software

Company or developer:

VisiCalc was the first spreadsheet program available for personal computers. It may well be the application that turned the microcomputer from a hobby for computer enthusiasts into a serious business.

Help how to open:

Most current spreadsheet programs are able to work with .dif files, or at least import the data.

How to convert:

Whilst DIF spreadsheets were mostly used in the past, some programs still support it and can import data from them.

Find conversions from dif file:

dif to csv

dif to excel

dif to pdf

dif to xl

dif to xls

dif to xlsx

Find converter to dif file type:

oth to dif

pxl to dif

stc to dif

sxc to dif

uos to dif

uot to dif

vc to dif

List of software applications associated to the .dif file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open dif file, edit dif file, convert dif file, view dif file, play dif file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting dif files.

Software that open dif file - Navy DIF spreadsheet

Programs supporting the exension dif on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open dif file action.

Microsoft Windows:

Main software associated with dif file by default:
Microsoft Excel small icon Microsoft Excel
Other suggested software:
PlanMaker small icon PlanMaker
Corel Quattro Pro small icon Corel Quattro Pro

Apple macOS / Mac OS X:

Main software associated with dif file by default:
Microsoft Excel for Mac small icon Microsoft Excel for Mac
Other suggested software:
NeoOffice small icon NeoOffice

Microsoft MS-DOS:

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