Opening OCC Files

The OCC file type is primarily associated with DB/TextWorks.

OCC	File extension: OCC
	File type:	indexed records database file

What is an OCC file

OCC files mostly belong to DB/TextWorks by Lucidea. OCC is a textbase file used by the DB/TextWorks content management software, which is a type of database software that enables the building of networked and standalone textbases for managing text, numbers, dates, and electronic images.

• Related files: The file iteself is one in a group of files that together define a textbase. It contains the lists of records indexed by the terms and words in the BTX file. The rest of the files are as follows: TBA, ATF, DBS, IXL, DBR, DBO, SDO, LOG, TML, HLP (optional), INI (optional), and SLT (optional).
• Other associations: OCC could also refer to an OMICRON Control Center file, a document used by the testing software to store analyzed data.

How to open an OCC file

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

Online OCC Text Viewer

Choose your .occ file to analyze

or drag and drop it here

Online File Viewer

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OCC file extension 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. The file format can be determined based on the file extension and the signature (the first few characters of a file). However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. In the following you will find our evaluation of the OCC files:

The OCC file extension is rarely used and covers different formats for different programs. The following file formats are most commonly found in OCC files:

• 50% of all OCC files utilize the Microsoft Compound File format, which is also known by the name OLE2 Compound Document Format or Composite Document File Format. Compound document files work similarly to real file systems. They contain a number of independent data streams (like files in a file system) which are organized in a hierarchy of containers (like sub-directories in a file system). The file signature of compound files is defined as D0 CF 11 E0 A1 B1 1A E1, so the first character of a file looks like "DOCFILE". Each OCC file has an application name, which is OMICRON Control Center or Protector. There is also a globally unique identifier f06b8b44-a54a-11ce-a94a-0020af55f753. The file contains several sections which are named like Contents, FooterRTF, HeaderRTF, RTF, SummaryInformation, DocumentSummaryInformation, Embedding 2, OmicronTestInformation and Embedding 3. The file size is in the range of 190 KB to 6 MB. The file type was developed only in the last few years. Such files sometimes refer to setting.
• 20% of all OCC files start with the bytes occipitl, which are crucial for this file format. If you open these files in a text editor, you will see only illegible characters. The file size is in the range of 470 KB to 190 MB. The files contain the following words: occipitl. The file name StructureCore_2020-06-01 10-30.occ is characteristic of these files. These files can be linked to structure and core.

The remaining 30% of all OCC files are files with no common format, often e.g. DB/TextWorks Database Terms and Words and JFG. Files like these are sometimes linked to sound or menu. Just click the "Choose your .occ file to analyze" button on this page to find out what your OCC file is.