| Extension | File Description |
| .J9S | Uncommon Files |
| .J9T | Uncommon Files |
| .J9U | Uncommon Files |
| .J9V | Uncommon Files |
| .J9W | Uncommon Files |
| .J9X | Uncommon Files |
| .J9Y | Uncommon Files |
| .J9Z | Uncommon Files |
| .JA0 | Uncommon Files |
| .JA1 | Uncommon Files |
| .JA2 | Uncommon Files |
| .JA3 | Uncommon Files |
| .JA4 | Uncommon Files |
| .JA5 | Uncommon Files |
| .JA6 | Uncommon Files |
| .JA7 | Uncommon Files |
| .JA8 | Uncommon Files |
| .JA9 | Uncommon Files |
| .JAA | Uncommon Files |
| .JAB | Uncommon Files |
| .JAC | Uncommon Files |
| .JACKET | Uncommon Files |
| .JACKSUM | Uncommon Files |
| .JAE | Uncommon Files |
| .JAF | Uncommon Files |
| .JAH | Uncommon Files |
| .JAI | Uncommon Files |
| .JAIL | Uncommon Files |
| .JAJ | Uncommon Files |
| .JAK | Uncommon Files |
| .JAL | Uncommon Files |
| .JAM2 | Uncommon Files |
| .JAMMIX | Uncommon Files |
| .JAN | Uncommon Files |
| .JAN93 | Uncommon Files |
| .JAO | Uncommon Files |
| .JAP | Uncommon Files |
| .JAPAN | Uncommon Files |
| .JAQ | Uncommon Files |
| .JARRE | Uncommon Files |
| .JASC | Uncommon Files |
| .JAT | Uncommon Files |
| .JAU | Uncommon Files |
| .JAW | Uncommon Files |
| .JAX | Uncommon Files |
| .JAY | Uncommon Files |
| .JAZ | Uncommon Files |
| .JB0 | Uncommon Files |
| .JB1 | Uncommon Files |
| .JB3 | Uncommon Files |
| .JB4 | Uncommon Files |
| .JB5 | Uncommon Files |
| .JB6 | Uncommon Files |
| .JB7 | Uncommon Files |
| .JB8 | Uncommon Files |
| .JB9 | Uncommon Files |
| .JBA | Uncommon Files |
| .JBB | Uncommon Files |
| .JBD | Uncommon Files |
| .JBE | Uncommon Files |
| .JBG | Uncommon Files |
| .JBH | Uncommon Files |
| .JBJ | Uncommon Files |
| .JBL | Uncommon Files |
| .JBM | Uncommon Files |
| .JBN | Uncommon Files |
| .JBO | Uncommon Files |
| .JBP | Uncommon Files |
| .JBQ | Uncommon Files |
| .JBS | Uncommon Files |
| .JBT | Uncommon Files |
| .JBU | Uncommon Files |
| .JBV | Uncommon Files |
| .JBW | Uncommon Files |
| .JBX | Uncommon Files |
| Extension | File Description |
| .JBY | Uncommon Files |
| .JBZ | Uncommon Files |
| .JC0 | Uncommon Files |
| .JC1 | Uncommon Files |
| .JC2 | Uncommon Files |
| .JC3 | Uncommon Files |
| .JC4 | Uncommon Files |
| .JC5 | Uncommon Files |
| .JC6 | Uncommon Files |
| .JC7 | Uncommon Files |
| .JC8 | Uncommon Files |
| .JC9 | Uncommon Files |
| .JCA | Uncommon Files |
| .JCAMP | Uncommon Files |
| .JCB | Uncommon Files |
| .JCC | Uncommon Files |
| .JCD | Uncommon Files |
| .JCE | Uncommon Files |
| .JCF | Uncommon Files |
| .JCG | Uncommon Files |
| .JCH | Uncommon Files |
| .JCI | Uncommon Files |
| .JCJ | Uncommon Files |
| .JCK | Uncommon Files |
| .JCL | Uncommon Files |
| .JCM | Uncommon Files |
| .JCN | Uncommon Files |
| .JCO | Uncommon Files |
| .JCP | Uncommon Files |
| .JCQ | Uncommon Files |
| .JCR | Uncommon Files |
| .JCS | Uncommon Files |
| .JCT | Uncommon Files |
| .JCU | Uncommon Files |
| .JCV | Uncommon Files |
| .JCW | Uncommon Files |
| .JCX | Uncommon Files |
| .JCY | Uncommon Files |
| .JCZ | Uncommon Files |
| .JD | Uncommon Files |
| .JD0 | Uncommon Files |
| .JD1 | Uncommon Files |
| .JD2 | Uncommon Files |
| .JD3 | Uncommon Files |
| .JD4 | Uncommon Files |
| .JD5 | Uncommon Files |
| .JD6 | Uncommon Files |
| .JD7 | Uncommon Files |
| .JD8 | Uncommon Files |
| .JD9 | Uncommon Files |
| .JDA | Uncommon Files |
| .JDBG | Uncommon Files |
| .JDC | Uncommon Files |
| .JDD | Uncommon Files |
| .JDE | Uncommon Files |
| .JDG | Uncommon Files |
| .JDH | Uncommon Files |
| .JDI | Uncommon Files |
| .JDJ | Uncommon Files |
| .JDK | Uncommon Files |
| .JDL | Uncommon Files |
| .JDM | Uncommon Files |
| .JDN | Uncommon Files |
| .JDO | Uncommon Files |
| .JDP | Uncommon Files |
| .JDQ | Uncommon Files |
| .JDR | Uncommon Files |
| .JDS | Uncommon Files |
| .JDT | Uncommon Files |
| .JDU | Uncommon Files |
| .JDV | Uncommon Files |
| .JDW | Uncommon Files |
| .JDX | Uncommon Files |
| .JDY | Uncommon Files |
| .JDZ | Uncommon Files |
