| mkl | CAD6 Library |
| mkn | PEARLNEQ MKN Input Data |
| mkr | my Knowledge Representation Data |
| mks | TACT Data File |
| mku | MagicKey Units Definition |
| mkx | Diamino Fashion Suite File |
| ml0 | MultiLedger Company Data |
| ml1 | MultiLedger Balance Data |
| ml2 | MultiLedger Budget Data |
| ml3 | MultiLedger Chart of Accounts Data |
| ml4 | MultiLedger Customers Data |
| ml5 | MultiLedger Vendors Data |
| ml6 | MultiLedger Items Data |
| ml7 | MultiLedger Salesperson Data |
| ml8 | MultiLedger Job Data |
| ml9 | MultiLedger Transactions Data |
| mla | Maple Repository File |
| mlb | MultiLedger Ship Via Data |
| mlb | HP OpenVMS Macro Library |
| mlc | Microsoft Office Language Interface Pack |
| mlc | mAirList Cart Set |
| mlc | MultiLedger Ship To Data |
| mld | MultiLedger Index Data |
| mld | mAirList Desktop File |
| mld | Xilinx Microprocessor Library Definition |
| mle | MultiLedger Extras Data |
| mle | mAirList Event List |
| mlf | Package Download Profile |
| mlg | MathsPIC Log File |
| mlg | KilnView Log Data |
