portableapps
on SourceForge
Mozilla Thunderbird, P.E./Mozilla Thunderbird, Portable Edition 128.4.3/ThunderbirdPortable_128.4.3_Spanish.paf.exe
portableapps
on SourceForge
Mozilla Thunderbird, P.E./Mozilla Thunderbird, Portable Edition 128.4.3/ThunderbirdPortable_128.4.3_Slovak.paf.exe