File Extensions Abbreviations and Acronyms
- MBLLogger Pro Data File
- MBMMulti- Bitmap file (EPOC)
- MBMMulti Bitmap File
- MBMKerbal Space Program Texture File
- MBPMediashow Burning Project File
- MBPMobipocket Notes File
- MBRZune Smooth Streaming File
- MBRMaster Boot Record File
- MBSOpera Mailbox File
- MBSAMicrosoft Baseline Security Analyzer File
- MBTBlue Card Manager Merit Badge Template File
- MBWMbrwizard Archive
- MBXMailbox (Eudora/Zerberus)
- MBXOutlook Express Mailbox
- MCMagic Xchange package (Magic Cap file archive)
- MC1Medcalc Data File
- MC2Mastercook 5 Cookbook File
- MC5Poser 5 Material File
- MC6Poser Material Collection File
- MCAMinecraft "anvil" Map File
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