Opening a K00 File

The K00 file type is primarily associated with Tonline DB File.

K00	File extension: K00
	File type:	Tonline DB files

What is a K00 file?

K00 files mostly belong to Tonline DB File. Use our "Online K00 Text Viewer" below to analyze your K00 file and to see all text it contains.

How to open a K00 file

You need a suitable software like Tonline DB File to open a K00 file. You need a suitable software like Tonline DB File to open a K00 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 K00 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a K00 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online K00 Text Viewer

Choose your .k00 file to analyze

or drag and drop it here

Online File Viewer

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.K00 File Not Opening? How to Fix It:

Because .K00 files can originate from various programs, they aren't universally openable.

Identify the Source: Receiving it from a German ISP user suggests a Tonline DB File, while receiving it alongside .K01 files implies a split archive.
Check the Header: Inspect the first bytes in a hex viewer or text editor:
- "PK" or "Rar!" indicates a compressed archive.
- Readable text suggests a configuration file.
- Unreadable binary data often points to a proprietary database.
Use the Original Software: Opening it usually requires the original program, such as T-Online software or an archiver like 7-Zip; if uncertain, ask the sender.
Use this Webpage: Drag and drop your .K00 file into our viewer to detect its format, extract readable text or metadata, and preview the contents.

Technical Data for K00 File Extension

a k00 Tonline DB file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with K00 files

Associate the K00 file extension with the correct application.
Update your software that should actually open Tonline DB files. Because only the current version supports the latest K00 file format. Search, therefore, e.g. on the manufacturer website after an available Tonline DB File update.
To make sure that your K00 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .K00 file online - secure, fast, and no downloads needed.