All about 120 Files

The 120 file type is primarily associated with CCH ProSystem fx.

120	File extension: 120
	File type:	Data file

What is a 120 file

120 files mostly belong to CCH ProSystem fx. Overview: The *.120 file uses one of two specialized internal formats.

CCH Compound Document: This variant is a proprietary tax file produced by CCH ProSystem fx. It stores structured tax data in a compound format. Use the proprietary tax software to view and work with these files.

IMS Firmware Image: This variant is a firmware or system file. It is used in environments like 120-DOS and may appear as part of a Lotus Domino Server update. It is designed for system or firmware operations and should not be edited manually.

FilExt.com note: Identify which version you have to choose the correct viewing tool.
Files with the extension 120 are often also jpg images or pdf documents, but zip compressed archives or medical images such as DICOM are also common. Use the Online 120 File Viewer on this page to find out the file format being used, and to view your 120 file.

How to open a 120 file

You need a suitable software like CCH ProSystem fx to open a 120 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 120 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a 120 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online 120 Text Viewer

Choose your .120 file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert 120 files:

CCH ProSystem fx
See the previous paragraphs to learn more about the main application. 120 files are often referred to as CCH ProSystem fx miscs because this type of file is primarily created or used by this software.
Award
Dated 2005-3-30. The BIOS update in this file is exclusively for MSI products. Related links: Micro-Star Int'l Co.,Ltd.

Technical Data for 120 File Extension

File classification:

Misc

Related files:

tax, fx, dom, 136, 106, dms, 7z, exe, zip, 1c0, 1a0, 100, bin, img, dat

Related links:

Micro-Star Int'l Co.,Ltd.

a 120 Data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with 120 files

Associate the 120 file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest 120 file format. Search, therefore, e.g. on the manufacturer website after an available CCH ProSystem fx update.
To make sure that your 120 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .120 file online - secure, fast, and no downloads needed.