Daniel Burton, thank you for reporting this and helping make Ubuntu better.
First, I want to ensure the following isn't being tripped on here https://help.libreoffice.org/Calc/Addresses_and_References,_Absolute_and_Relative . If this isn't, could you please test one of the 5.x PPAs via https://launchpad.net/~libreoffice and advise if this is still reproducible? If so, please post as a comment the precise line item of the cell prior to when when the document is saved, closed, and reopened demonstrates this problem. ** Changed in: libreoffice (Ubuntu) Importance: Undecided => Low ** Changed in: libreoffice (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1399951 Title: LibreOffice Calc removes sheet names from calculations when saving To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1399951/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs