Open 009 file

The most commonly used .009 file type: Part 9 of a multi-volume archive in compressed file format

What is 009 file? Understanding and opening 009 files

009 file icon Are you facing difficulties opening 009 files on your computer, or wondering exactly what 009 file is?
We've got the best software solutions for opening 009 files effortlessly.

.009 file type #1: Part 9 of a multi-volume archive in compressed file format

A 009 file extension is associated with several archivers or compression tools, which are using, or did use in the past, a 009 file extension for its multi-volume archive files.

Further details

The 009 file extension is associated with several archivers or compression tools, which are using, or did use in the past, the 009 file extension for its multi-volume files or archives, such as Winrar (see part9.rar) or 7-Zip (see 7z.009).

The general file sequence is 001, 002, 003, etc.. and you will need all parts of the multi-volume archive to successfully extract the content.

Open 009 file with:

7-zip icon


Popular open source file archiver with a high compression ratio

.009 file type #2: Typically, part 009 of a split archive or backup file type

Files with 009 extension may also be one of the many split (parts) of an archive or backup file. The number relates to the numbering of the sequence of split files.

Further details

The 009 file extension is also used for split files. A part of larger file split using splitter software, such us HJSplit, WellTek 001 File Joiner & Splitter, SplitJoin or File Managers, such as Total Commander. Any additional split files use the 001,002,003...etc. file sequence.

You will need to merge them first with the use of the splitting/joining software tool, before you can open or work with them.

It can be also big game data file from various computer games.

Open 009 file with:


A small program for spliting and merging files

HJSplit icon


A freeware file-splitting software

Total Commander icon

Total Commander

Highly popular file manager for Windows


A program for splitting small files

.009 file type #3: International S-57 Hydrographic data electronic navigation chart file type

Files with 009 extension can also be found as navigation charts in  International S-57 Hydrographic data format.

Further details

The 009 file extension is also used for International S-57 Hydrographic Data Electronic Navigation Chart format.

A vector-based digital file containing marine features suitable for marine navigation. The file is based on the International Hydrographic Organization (IHO) S-57 standard.

The file extension, ".000," for a base NOAA ENC cell is used for updating. The first update for a cell will be ".001" the next ".002" and so forth. The file extension .031 is used for catalog data (metadata) relating to the chart data.

Open 009 file with:

ArcGIS for Desktop Basic (ArcView) icon

ArcGIS for Desktop Basic (ArcView)

A GIS application used to work with geographic data

.009 file type #4: Winfunktion Mathematic v8.0 Julia fractal file type

A 009 file extension is related to the Winfunktion Mathematic v8.0 software. A 009 file contains julia fractal.

Further details

The 009 file extension is associated with Winfunktion Mathematik v8.0.

The old German math program released in 1998. The 009 files are used for julia set mathematic fractals.

The current and latest version of Winfunktion Mathematik is 22. There are no information available if the 009 files are still used in the newest versions for julia set fractals.

Open 009 file with:

Winfunktion Mathematik Plus

A German math software

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.