| 1 | 1SP | Microsoft Corporation | Microsoft OneNote Mobile Document |
| 2 | AAB | Adobe Systems Incorporated | Adobe Authorware Binary |
| 3 | APK | Google | Google Android Package Format |
| 4 | ARSC | Google | Google Android Resource Format |
| 5 | ASEC | Google | Android Secure Application Format |
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| 6 | BBB | Research In Motion | BlackBerry Backup (post 2012) Format |
| 7 | CRYPT | WhatsApp Inc. | WhatsApp Messenger Encrypted Message Database Backup |
| 8 | CRYPT14 | WhatsApp | WhatsApp Encrypted Database File |
| 9 | CRYPT15 | WhatsApp | WhatsApp Encrypted Database File |
| 10 | CRYPT7 | WhatsApp Inc. | WhatsApp Messenger Encrypted Message Database Backup |
| 11 | CRYPT8 | WhatsApp | WhatsApp Encrypted Database File |
| 12 | FPSX | Nokia | Nokia Firmware Format |
| 13 | HWT | N/A | Huawei Ascend P6 Emotion UI Theme |
| 14 | IPA | Apple, Inc. | IPhone Application |
| 15 | IPD | Research In Motion | BlackBerry Backup Format |
| 16 | IPSW | Apple | IPod And IPhone Software Update Format |
| 17 | ITHMB | Apple | IPod And IPhone Photo Thumbnails Format |
| 18 | KDZ | Kaspersky Labs | Kaspersky Virus Bases Format |
| 19 | MCUSW | Nokia Corporation | Nokia Mobile Phones With Symbian Firmware |
| 20 | MDBACKUP | Apple | IPhone Data Backup Format |
| 21 | MDDATA | Apple | IPhone Backup Format |
| 22 | MOBILECONFIG | Apple | Apple Mobile Configuration Format |
| 23 | MSWALLET | N/A | Microsoft Wallet item package |
| 24 | MTZ | MIUI | MIUI Theme |
| 25 | NBH | N/A | ROM Update Utility Image Format |
| 26 | NBU | Nokia | Nokia Phone Backup Format |
| 27 | NFB | Nokia | Nokia Phone Backup Format |
| 28 | NFC | Nokia | Nokia Phone Backup Copy Format |
| 29 | NOMEDIA | Google | Android No Media Format |
| 30 | NTH | Nokia | Nokia Series 40 Theme Format |
| 31 | OAP | Samsung Group | Samsung Bada Signed Installation Package |
| 32 | OBB | Google | Android Opaque Binary Blob Format |
| 33 | PIT | Samsung | PackIt Compressed Archive |
| 34 | PKPASS | Apple | Passbook Pass Format |
| 35 | PPV | Microsoft Corporation | Microsoft Pocket PowerPoint Presentation |
| 36 | RSC | Nokia | Resource Format |
| 37 | SBF | N/A | Android System Format |
| 38 | SISX | Symbian | Symbian OS Installation Format |
| 39 | SNB | Samsung | Shanda Bambook EBook |
| 40 | SOCIALPHONEBOOK | Google Inc. | Sony Xperia Google Android Contact |
| 41 | THM | Sony Ericsson | Thumbnail Image Format |
| 42 | TPK | The Linux Foundation | Tizen Application Package |
| 43 | VCARD | Apple, Inc. | VCard |
| 44 | VCF | N/A | VCard Format |
| 45 | VMSG | VMware | VMware Application Message Format |
| 46 | XAP | Microsoft | Silverlight Application Package |
| 47 | XAPK | N/A | Compressed Android Package |
