All about K01 Files

The K01 file type is primarily associated with Archive Utility.

K01	File extension: K01
	File type:	split archive segment

What is a K01 file?

K01 files mostly belong to Archive Utility. A K01 file is not a stand‐alone file; it’s a segment from a larger package that has been split for management.
Primary use: Many such files are encrypted data parts or archive segments that, when combined with additional segments, reconstruct the full archive.
These files show up in several specialized contexts:

Encrypted Archive: A segment from a multi‐part archive designed to store encrypted data.

Raima Database: A split part of a database file used by Raima Database Manager, where the data is divided into segments.

QuickBooks File: A section from a QuickBooks data file, seen as another form of split archive used for accounting data, with more details on the QuickBooks website.

FilExt.com note: You must reassemble these segments with the appropriate tool or original software to access the complete data.

How to open a K01 file

You need a suitable software like Archive Utility to open a K01 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 K01 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a K01 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online K01 Text Viewer

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Online File Viewer

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Programs that open and convert K01 files:

Archive Utility
See the previous paragraphs to learn more about the main application. K01 files are often referred to as Archive Utility compresseds because this type of file is primarily created or used by this software.
Clarion (DOS Database Key File) by SoftVelocity
The .DAT file is usually associated with .K## (##=numbers) key files that are indexes into the data. There may also be a .MEM memo file. This is a structure used by DOS versions of the software. If the .K## files are not available and are not automatically rebuilt you can use the oldest DOS version of Clarion Professional Developer to build them. Related links: Clarion Magazine, Clarion Information
Tonline DB File

Technical Data for K01 File Extension

File classification:

Compressed

Related files:

k00, k02, k03, 001, k02, k05, k04, dat, r01, rar, zip, 7z

Related links:

Clarion Magazine, Clarion Information

a k01 split archive segment is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with K01 files

Associate the K01 file extension with the correct application.
Update your software that should actually open split archive segments. Because only the current version supports the latest K01 file format. Search, therefore, e.g. on the manufacturer website after an available Archive Utility update.
To make sure that your K01 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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