The copy changed files tool is a free software that lets you copy changed files from one directory tree to another.
The software only copies changed files, leaving all other files behind.

Features:
1. Copy changed files only
2. Save last run time, for incremental backup of changed files only
3. Multi threaded
4. Append current date to destination directory or file for easy version maintenance
5. Set from directory
6. Set to directory
7. Set the from date, to scan for files changed after that date
8. Compare date AND time
9. Maintain directory structure in destination directory
10. Exlcude files from copying, ex. thumbs.db
11. Automatically check for new version

Usage examples
* Take incremental backups during the day, only copying changed files.
* You have a vast amount of images/documents/source code files that you only want to make a incremental backup of.
* You have a lot of customer websites that you maintain and only want to update the changed files.
* You need to copy changed files only from one directory tree to another.
* You take a lot of pictures you want to backup several times a day to a DVD or another media where you cannot overwrite only append to.

The license of this software is Freeware, you can free download and free use this file management software.