Hi Group, Any body knows how to unlock Allegro PCB file 15.5.1. I have forgot the password which we give in File-->Properties to unlock the file and now data base has been locked for writing. Lot of smart people here, can any one please help me out. Is there any way to break the password? Thanks in Advance. Regards, Ali. --------------------------------- Sucker-punch spam with award-winning protection. Try the free Yahoo! Mail Beta.