FileMaker Pro supports the export to PDF format, so it can export its own labels (*.fbl) as PDF documents. No other program capable of this type of conversion is known to us.
Convert FileMaker Pro label file to Adobe Portable document format.
We have found 2 software records in our database eligible for .flb to .pdf file format conversion.
Microsoft Windows software - convert flb to pdf on Windows
A program used to create and manage information databases
Convert from flb file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned flb to pdf. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert flb to pdf on OS X
A database management program for Mac