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Details of the .hci file extension

The table below provides useful information about the .hci file extension. It answers questions such as:

  • What is the .hci file?
  • What program do I need to open a .hci file?
  • How can the .hci file be opened, edited or printed?
  • Where can I find the specifications for .hci?
  • Which MIME-type is associated with the .hci extension?
  • How can I convert .hci files to another format?
  • What are other, similar filename extensions to .hci?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.hci file extension details

HydroCAD IDF Curve

HydroCAD IDF Curve .hci file icon
HCI file is a HydroCAD IDF Curve. HydroCAD is a Computer Aided Design (CAD) tool used by civil engineers for modeling stormwater runoff.
Category: Data files
Application: HydroCAD
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HCI aliases:
HCI related links:
HCI related extensions:
HydroCAD Project

HydroCAD Hydrograph File

HydroCAD Unit Hydrograph Definitions

HydroCAD Rainfall Curve Data

HydroCAD Units Definition

HydroCAD Prefab Chamber

Other types of files may also use the .hci file extension.

.hci file extension error

The .hci file extension is often given incorrectly!

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

hxi, hck, tci, ci, gci, hi, mci, hic, nci, hc, bci, jci, hdi, hcu, hcl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

MGS Hinge CK File
Microsoft Help 2 Compiled Help Index
iBlaze Case Information File
CitectSCADA Data
TCINV Inversion Control File
MAME Highscore Data
Gamecube Game Save
Media Control Interface Data
Mastercam NCI Lines Data
open .hci file

Can't open a .hci 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .hci file association, check the FAQ.

.hci file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .hci file extension, write to us!

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