calc eng 3.6.
I assume that you want to transfer OpenOffice files to Libre Office. LibreOffice and OpenOffice use the same file standards. Just open your files in LIbO and continue to work on them.
If you like, please have a look at:
LIBRE OFC
MANY TKS FOR YR ASSISTANCE
CHEERS
I deleted your email address so you don’t get spammed.