.DBX | Microsoft Corporation | 不常見的文件 | Outlook Express E-mail Folder | Microsoft Outlook Express | Microsoft Corporation |
.EMAIL | Microsoft Corporation | 不常見的文件 | Outlook Express Email Message | Microsoft Outlook Express | Microsoft Corporation |
.EML | Microsoft Corporation | 網絡文件 | E-Mail Message | Microsoft Outlook Express | Microsoft Corporation |
.FFT | Adobe Systems Incorporated | 插件檔案 | Adobe Audition Noise Print File | Microsoft Outlook Express | Microsoft Corporation |
.LKO | Microsoft Corporation | 資料檔案 | Outlook Express Linked Object | Microsoft Outlook Express | Microsoft Corporation |
.MBX | Microsoft Corporation | 資料檔案 | Outlook Express Mailbox | Microsoft Outlook Express | Microsoft Corporation |
.MIM | Internet Engineering Task Force | 編碼檔案 | Multi-Purpose Internet Mail Message File | Microsoft Outlook Express | Microsoft Corporation |
.MIME | Various Developers | 編碼檔案 | Multi-Purpose Internet Mail Extension | Microsoft Outlook Express | Microsoft Corporation |
.MSG | Microsoft Corporation | 文字檔 | Saved Email Message | Microsoft Outlook Express | Microsoft Corporation |
.NCH | Microsoft Corporation | 音頻檔案 | On Hold Message/Music File | Microsoft Outlook Express | Microsoft Corporation |
.NWS | Microsoft Corporation | 資料檔案 | Windows Live Mail Newsgroup File | Microsoft Outlook Express | Microsoft Corporation |
.P7S | Unknown Developer | 編碼檔案 | PKCS #7 Signature File Format | Microsoft Outlook Express | Microsoft Corporation |
.PAB | Microsoft Corporation | 資料檔案 | Personal Address Book | Microsoft Outlook Express | Microsoft Corporation |
.PBX | Sybase, Inc | 開發商檔案 | PowerBuilder Extension File | Microsoft Outlook Express | Microsoft Corporation |
.PST | Microsoft Corporation | 資料檔案 | Outlook Personal Information Store File | Microsoft Outlook Express | Microsoft Corporation |
.SIG | Unknown Developer | 文字檔 | Signature File | Microsoft Outlook Express | Microsoft Corporation |
.TNEF | Microsoft Corporation | 不常見的文件 | Transport Neutral Encapsulation Format | Microsoft Outlook Express | Microsoft Corporation |
.VCF | Palm | 資料檔案 | VCard File | Microsoft Outlook Express | Microsoft Corporation |
.WAB | Microsoft Corporation | 資料檔案 | Windows Address Book | Microsoft Outlook Express | Microsoft Corporation |