If you have emptied the trash which was containing some important files that you had accidentally deleted then you must be thinking to undo empty trash on Mac OS X 10.7.3. The trash is provided in the Mac operating system Lion to prevent direct deletion but sometimes certain situation occur and the files are eventually removed even from trash. If you have enabled the time machine backup then the undo empty trash on Mac OS X 10.7.3 will be easy and you can restore the files instantly. However if the time machine does not work then you can use the Mac data recovery software. You should use the software immediately after the deletion as there are chances of overwriting of the deleted data. The recovery is possible because the deleted data is still on the disk and will remain there until it is overwritten by new file. So use the software to scan the Mac drive and the deleted data will be showed in the preview. You need to choose the files for recover and then undo empty trash on Mac OS X 10.7.3 by restoring the files at their original location. So download the software now.