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>> F03 file

F03 file format description

Many people share .f03 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .f03 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .f03 files.

1 filename extension(s) found in our database.

.f01 - HEC-RAS Flow File

F01 file is a HEC-RAS Flow File. Hydrologic Engineering Centers River Analysis System (HEC-RAS) is a one- dimensional model, intended for hydraulic analysis of river channels

.f01 file format description:
F01 format
Data files
- / -
f02, f03, f04, f05, f06, f07, f08, f09, f10, f99
HEC-RAS Flow File related links:
HEC-RAS Flow File related extensions:
HEC-RAS Flow File
HEC-RAS Geometry File

Naturally, other applications may also use the .f03 file extension. Even harmful programs can create .f03 files. Be especially cautious with .f03 files coming from an unknown source!

Can't open a .f03 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .f03 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

d03, fp3, v03

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

FileMaker Pro V3 Data
MicroStation Modification System Resource File
BlindWrite CD Image Segment
TaxCut Federal Data
WinAce Archive
ArcInfo ASCII Export

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If you have useful information about the .f03 file format, then write to us!