Opening an NRR File

The NRR file type is primarily associated with Microsoft TellMe.

NRR	File extension: NRR
	File type:	Speech data file

What is an NRR file?

NRR files mostly belong to Microsoft TellMe. The *.nrr file extension is primarily associated with Microsoft TellMe, a speech recognition software developed by Microsoft. These files typically contain speech data used by the TellMe service, likely for training or recognition purposes. It is important to note that the internal structure and format of *.nrr files are proprietary and not publicly documented.

How can I open an NRR file?

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

Online NRR Text Viewer

Choose your .nrr file to analyze

or drag and drop it here

Online File Viewer

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What to Do When a .NRR File Fails to Open

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

Identify the Source: If it came from a voice recognition workflow or Office assistant, it's likely a Microsoft TellMe Speech Data file.
Check the Header: Inspect the first bytes using a hex viewer or text editor:
- Readable XML suggests a configuration file.
- "PK" indicates a ZIP archive.
- Unreadable binary often points to proprietary speech data.
Use the Original Software: The original program is usually required; try Microsoft TellMe, Microsoft Office, or ask the sender.
Use this Webpage: Drag and drop your .NRR file into our viewer to detect its format, extract readable metadata, and preview contents.

Technical Data for NRR File Extension

File classification:

Speech Data File

Related files:

xsr, cmbl, mph

an nrr Speech data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with NRR files

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