PartCopy is can copy any number of bytes from one file into a new one. Useful if you want to extract sound or data from a location within a file.

Extract the file PartCopy.exe to a directory anywhere on your PC. The controls allow you to enter the start position and length in either decimal or hexadecimal values. Buttons also allow you to make changes like switch to the end of the file.
The hex file viewer is an alternate way to selecting the start and offset positions. It is a great way to visually see the segment of the file you want to copy.

PartCopy Features:
1. Handles files as large as your hard drive.
2. Fast.
3. Allows you to enter the start position and length in decimal and hexadecimal values.
4. Fast track buttons to move to start or end of a file.
5. Command-line parameters.
6. Contains a hex viewer so you can select start and finish positions from the viewer.
7. Hex viewer can display files up to 2GB in size.
8. Search for text in the hex viewer.
9. Remembers where you last positioned the application window.
10. Memorize the last source and/or destination file.
11. Memorize the file paths.
12. Customize the selectable file types.
13. Customize the background colour.
14. Drag and drop source file from Explorer.

The license of this software is Freeware, you can free download and free use this office suite software.