1) Binary file format 2) Bud 4 life 3) Bud for life 4) Chum 4 life 5) Closest pal in text 6) Closest pal, initially 7) Fav pal 4ever 8) Fave pal 9) Fave texting bud 10) IM VIP 11) Lifelong pal, 4 short 12) Most t3xted pal 13) Pal 4 life 14) Pal to text Found on https://www.crosswordclues.com/clue/bff