Use a free extraction program like 7-Zip (Windows) or The Unarchiver (Mac) to open only the .001 file .
To put together a piece or extract a file like , you must have all the associated numbered parts in the exact same folder on your computer. LAU.7z.003
To combine and extract the complete data, follow these steps: Use a free extraction program like 7-Zip (Windows)
If you receive an error stating that the file is corrupted, double-check that you aren't missing any of the numbered parts in that directory. 7z.001 7z.002 7z.003 help please - SourceForge LAU.7z.003