File Joiner is a best  software to merge multiple files into one file very quickly. File Joiner is a  simple application and easy to use for basic users. It has options starting from File Joiner to merge files with extensions 001, 002, 003, etc. into one file. Files with the extension .001, .002, upto .00 n is part of a large file so that the file with a smaller size can be sent to a newsgroup, file hosting,torrents or some services limit the size of files that can be uploaded.

features:

• Automatic sorting of files with numerical extensions
• Load with automatic sequential parts when you open or drag & drop file with extension .001
• Automatic output to the generator so that the file "c: \ aaa.avi.001" will generate output file "c: \ aaa.avi"
• Combines rapidly with the choice of choosing to add all files to first file
• MD5 and CRC32 hash calculation fatherly filr output
• loading files from folders and sub-folders of recursion loading
• Option to associate extension .001 in windows explorer, so you can load the file by double-clicking the file
• Progress bar to monitor the join operation (on win7, the progress bar is located on the taskbar)