Opening STD_1 Files

The STD_1 file type is primarily associated with ETS Test Executive.

STD_1	File extension: STD_1
	File type:	Test Data Storage

What is an STD_1 file?

STD_1 files mostly belong to ETS Test Executive. A *.STD_1 file is a specialized data file primarily associated with the Teradyne ETS Test Executive software. It's used to store test data generated during the semiconductor testing process. The internal file format is proprietary to Teradyne and not publicly documented. These files play a crucial role in automated testing environments, enabling engineers to analyze test results and ensure the quality and reliability of integrated circuits.

How to open an STD_1 file

You need a suitable software like ETS Test Executive to open an STD_1 file. You need a suitable software like ETS Test Executive to open an STD_1 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 STD_1 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a STD_1 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online STD_1 Text Viewer

Choose your .std_1 file to analyze

or drag and drop it here

Online File Viewer

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.STD_1 File Won't Open? Here is What You Can Do

Because .STD_1 files can originate from specialized programs, they aren't universally openable.

Identify the Source: If received from a hardware testing engineer or automated QA workflow, it likely contains test data storage from ETS Test Executive.
Check the Header: Open the file in a text editor or hex viewer to inspect the first bytes:
- Readable text (like XML/JSON) suggests a structured data log.
- Unreadable binary data indicates a proprietary compiled format.
Use the Original Software: The original program is usually required; try ETS Test Executive, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text, and preview when possible.

Technical Data for STD_1 File Extension

File classification:

Test Data

Related files:

stdf, std, nodes, ciq

an std_1 Test Data Storage is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with STD_1 files

Associate the STD_1 file extension with the correct application.
Update your software that should actually open test data storages. Because only the current version supports the latest STD_1 file format. Search, therefore, e.g. on the manufacturer website after an available ETS Test Executive update.
To make sure that your STD_1 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .STD_1 file online - secure, fast, and no downloads needed.