Which formats can I upload my files in? Akiva Aranoff December 07, 2020 02:03 Updated You can upload most audio files including but not limited to: .mp3, .wav, and .m4a. For video files Maestra works with: .mp4, .mov, .ogg, and .webm. Related articles How do the plans work? How long will it take to transcribe/caption/voiceover my file? Can I try Maestra for free? What languages does Maestra support? How do I Export and Download My File? Comments 0 comments Article is closed for comments.