000 is associated with initialization file. You have chance to open 000 files with Hj Split software.
Most probably, it is a backup of splitted file. In this same folder, if there are the following files, it can be joined by HJsplit.
After installing HJ Split software, open the first file from the input section and click on Join button.
What to use 000
HJ split, 7-zip
which page related to 000 file
000 Related Searches
You can check related links about 000 fileextension.