Opening RS1 Files

The RS1 file type is primarily associated with RETScreen.

RS1	File extension: RS1
	File type:	System File

What is an RS1 file?

RS1 files mostly belong to RETScreen by RETScreen International. The RETScreen International Clean Energy Project Analysis Software is a decision support tool developed with the contribution of numerous experts from government, industry, and academia. The software, provided free-of-charge, can be used worldwide to evaluate the energy production and savings, life-cycle costs, emission reductions, financial viability and risk for various types of energy efficient and renewable energy technologies (RETs).

How can I open an RS1 file?

You need a suitable software like RETScreen to open an RS1 file. You need a suitable software like RETScreen from RETScreen International to open an RS1 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 RS1 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a RS1 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online RS1 Text Viewer

Choose your .rs1 file to analyze

or drag and drop it here

Online File Viewer

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Can't Open Your .RS1 File? Try These Steps

Because .RS1 files can originate from different programs, they aren't universally openable.

Identify the Source: If received from an energy analyst or environmental engineer, it is likely a RETScreen spreadsheet; from a developer, it may be a system file.
Check the Header: Open the file in a text or hex editor to inspect the first bytes:
- "PK" indicates a zipped archive.
- Readable XML suggests structured data.
- Unreadable binary means it requires specialized software.
Use the Original Software: Opening it usually requires the original program, such as RETScreen by RETScreen International or Microsoft Excel; if uncertain, ask the sender.
Use this Webpage: Drag and drop your .RS1 file onto this page to detect the format, extract readable text or metadata, and preview it when possible.

Technical Data for RS1 File Extension

File classification:

Spreadsheet

Related files:

retx, rs, tscx, taco, c4g

an rs1 System File is a special file format by RETScreen International and should only be edited and saved with the appropriate software.

How to solve problems with RS1 files

Associate the RS1 file extension with the correct application.
Update your software that should actually open system files. Because only the current version supports the latest RS1 file format. Search, therefore, e.g. on the RETScreen International manufacturer website after an available RETScreen update.
To make sure that your RS1 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .RS1 file online - secure, fast, and no downloads needed.