You can do it by renaming the XLF to a ZIP and extracting the contents, modifying the document XML file to match the version number and name of Xcelsius 2008, rezipping it, and renaming to XLF again.
I've done it and it works.
You can do it by renaming the XLF to a ZIP and extracting the contents, modifying the document XML file to match the version number and name of Xcelsius 2008, rezipping it, and renaming to XLF again.
I've done it and it works.