All about HCI Files

The HCI file type is primarily associated with HydroCAD Stormwater Modeling System.

HCIFile Extension HCI
File extension: HCI
File type:  IDF File

What is an HCI file?

HCI files mostly belong to HydroCAD Stormwater Modeling System by HydroCAD Software Solutions LLC. HydroCAD is a Computer Aided Design tool used by Civil Engineers for modeling stormwater runoff.

How to open HCI files

You need a suitable software like HydroCAD Stormwater Modeling System to open an HCI file. You need a suitable software like HydroCAD Stormwater Modeling System from HydroCAD Software Solutions LLC to open an HCI 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 HCI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HCI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HCI Text Viewer

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What to Do When a .HCI File Fails to Open

HCI files can come from different programs and aren't universally openable.

  1. Identify the Source: If received from a civil engineer, it is likely a HydroCAD Stormwater Modeling System IDF file. If from a systems developer, it may be a hardware log.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer.
    • Readable text suggests a configuration or data file.
    • "PK" indicates a zipped archive.
    • Unreadable binary data usually implies a proprietary format.
  3. Use the Original Software: The original program, such as HydroCAD, is usually required to open the file properly. If uncertain, ask the sender.
  4. Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for HCI File Extension

Related files:

an hci IDF File is a special file format by HydroCAD Software Solutions LLC and should only be edited and saved with the appropriate software.

How to solve problems with HCI files

  • Associate the HCI file extension with the correct application.
  • Update your software that should actually open idf files. Because only the current version supports the latest HCI file format. Search, therefore, e.g. on the HydroCAD Software Solutions LLC manufacturer website after an available HydroCAD Stormwater Modeling System update.
  • To make sure that your HCI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .HCI file online - secure, fast, and no downloads needed.
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