Opening a CONTROL File

The CONTROL file type is primarily associated with Hydrologic Modeling System (HEC-HMS).

CONTROL	File extension: CONTROL
	File type:	Control Specifications Data

What is a CONTROL file?

CONTROL files mostly belong to Hydrologic Modeling System (HEC-HMS) by U.S. Army Corps of Engineers. The Hydrologic Modeling System (HEC-HMS) is designed to simulate the precipitation-runoff processes of dendritic watershed systems.

How can I open a CONTROL file?

You need a suitable software like Hydrologic Modeling System (HEC-HMS) to open a CONTROL file. You need a suitable software like Hydrologic Modeling System (HEC-HMS) from U.S. Army Corps of Engineers to open a CONTROL 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 CONTROL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CONTROL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CONTROL Text Viewer

Choose your .control file to analyze

or drag and drop it here

Online File Viewer

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.CONTROL File Won't Open? Here is What You Can Do

A .CONTROL file can originate from various programs and isn't universally openable.

Identify the Source: If from a hydrologist, it's likely Control Specifications Data for the Hydrologic Modeling System (HEC-HMS). If from a developer, it may be a configuration script.
Check the Header: Open the file in a text editor to inspect the opening lines.
- Readable text with dates points to HEC-HMS.
- XML or JSON formatting suggests a generic configuration.
- "PK" indicates a compressed binary format.
Use the Original Software: The original program is usually required. Try HEC-HMS or Notepad; if uncertain, ask the sender.
Use this Webpage: Drag and drop your file onto this webpage to detect its format, extract readable text, and preview contents.

Technical Data for CONTROL File Extension

Identifier:

Hex: 43 6F 6E 74 72 6F 6C 3A 20, ASCII: Control: (provided by TrID database)

Related files:

contr, dylib, ctl, ipk, deb, plist, zip, basin, g01, f01

a control Control Specifications Data is a special file format by U.S. Army Corps of Engineers and should only be edited and saved with the appropriate software.

How to solve problems with CONTROL files

Associate the CONTROL file extension with the correct application.
Update your software that should actually open control specifications data files. Because only the current version supports the latest CONTROL file format. Search, therefore, e.g. on the U.S. Army Corps of Engineers manufacturer website after an available Hydrologic Modeling System (HEC-HMS) update.
To make sure that your CONTROL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CONTROL file online - secure, fast, and no downloads needed.