The translation of Attachments for Joomla 4 and 5 are available on github. 
attachments_translations
The french, english and greek are included in the standard attachament package
 download/Polish-4.1.2/attachments-Polish-pl-PL-language-pack-4.1.2.zip | 0 kB | 2025-06-16 16:49 | |
| download/Swedish-4.1.1/attachments-Swedish-sv-SE-language-pack-4.1.1.zip | 0 kB | 2025-06-16 16:49 | |
| download/Turkish-4.0.4/attachments-Turkish-tr-TR-language-pack-4.04.zip | 0 kB | 2025-06-16 16:50 |
If you need an other translation, please create an issue on attachments_translations/issues