All about DIRECTORYSTOREFILE Files

The DIRECTORYSTOREFILE file type is primarily associated with Apache Lucene.

DIRECTORYSTOREFILE	File extension: DIRECTORYSTOREFILE
	File type:	Index file

What is a DIRECTORYSTOREFILE file?

DIRECTORYSTOREFILE files mostly belong to Apache Lucene. DIRECTORYSTOREFILE files are not typical documents. They are internal index files built using Apache Lucene technology. These files act as containers for searchable data that various applications use in the background.
They serve several purposes, including:

Offline address books: The file stores indexed data for address book applications.
Directory storage: Some systems (such as those based on HBase in Zimbra Collaboration Suite) use these files for directory data storage.
Browser history indexing: In certain cases, they hold Chrome browser history to help quickly retrieve past data.
Offline Outlook data: They also support offline storage of Outlook data for fast access.

FilExt.com tips: These files work best with the applications that created them. Opening them in a basic text editor will not display readable content. For further details on the underlying technology, you can visit Apache Lucene.

How can I open a DIRECTORYSTOREFILE file?

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

Online DIRECTORYSTOREFILE Text Viewer

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Programs that open and convert DIRECTORYSTOREFILE files:

Apache Lucene
See the previous paragraphs to learn more about the main application. DIRECTORYSTOREFILE files are often referred to as Apache Lucene data files because this type of file is primarily created or used by this software.
Email Clients, Web Browsers
*.DIRECTORYSTOREFILE files primarily store index data, commonly utilizing the Lucene index file format. These files are frequently encountered within email clients and web browsers, serving to optimize search and retrieval operations for large datasets like email messages, contacts, and browsing history. The internal structure of these files leverages a sophisticated indexing mechanism, enabling efficient querying and retrieval of specific information based on various criteria. While often associated with offline data storage, *.DIRECTORYSTOREFILE files play a crucial role in enhancing the performance and responsiveness of applications that manage substantial volumes of structured data. This file format is classified as Index File.

DIRECTORYSTOREFILE file format:

Why is it important to know the file format? This is the only way to find out which program to use to open the file. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. Knowledge is power - this also applies when dealing with unknown or faulty files. In the following you will find our evaluation of the DIRECTORYSTOREFILE files:

The DIRECTORYSTOREFILE file extension is rarely used and includes different formats for different programs. The two most common formats are as follows:

30% of all DIRECTORYSTOREFILE files start with the magic bytes 01 00 00 00 00 00 00 00, which are always the first bytes of this file format. These files are binary files, so they do not contain text, but only cryptic characters. DIRECTORYSTOREFILE files can be up to 2 MB in size, but are often around 65 KB - 2 MB. The file type was developed only in the last few years. A common filename is 0.directoryStoreFile or live.0.directoryStoreFile.
25% of all DIRECTORYSTOREFILE files start with the bytes 00 00 00 00 00 00 00 00 crucial for this file format. These files are binary files, so they do not contain text, but only cryptic characters. The files are 65 KB to 65 KB in size, with a median of 65 KB. The file name 0.directoryStoreFile or live.0.directoryStoreFile is typical for these files.

The remaining 45% of all DIRECTORYSTOREFILE files are files with no common format. Just click the "Choose your .directorystorefile file to analyze" button on this page to find out what your DIRECTORYSTOREFILE file is.

Technical Data for DIRECTORYSTOREFILE File Extension

File classification:

Data

a directorystorefile Index file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with DIRECTORYSTOREFILE files

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