.BAD | Microsoft Corporation | Tekstfiler | Exchange Badmail File | Microsoft Exchange Server | Microsoft Corporation |
.BDP | Microsoft Corporation | Tekstfiler | Exchange Diagnostic Message | Microsoft Exchange Server | Microsoft Corporation |
.BDR | Microsoft Corporation | Tekstfiler | Exchange Non-Delivery Report Body File | Microsoft Exchange Server | Microsoft Corporation |
.ECF | Microsoft Corporation | Plug-in-filer | Outlook Add-in | Microsoft Exchange Server | Microsoft Corporation |
.EDB | Microsoft Corporation | Databasefiler | Exchange Information Store Database | Microsoft Exchange Server | Microsoft Corporation |
.EFP | Microsoft Corporation | Datafiler | Exchange Forms Designer Template | Microsoft Exchange Server | Microsoft Corporation |
.FDM | Microsoft Corporation | Datafiler | Exchange Forms Designer Form Message | Microsoft Exchange Server | Microsoft Corporation |
.JRS | Microsoft Corporation | Sikkerhedskopifiler | Extensible Storage Engine (ESE) Reserve Transaction Log | Microsoft Exchange Server | Microsoft Corporation |
.JTX | Microsoft Corporation | Sideopsætningsfiler | XPS Document File | Microsoft Exchange Server | Microsoft Corporation |
.MMF | Microsoft Corporation | Datafiler | Microsoft Message File | Microsoft Exchange Server | Microsoft Corporation |
.PAB | Microsoft Corporation | Datafiler | Personal Address Book | Microsoft Exchange Server | Microsoft Corporation |
.PST | Microsoft Corporation | Datafiler | Outlook Personal Information Store File | Microsoft Exchange Server | Microsoft Corporation |
.REQ | Open Source | Ikke Almindelige Filer | SSL Certificate Request File | Microsoft Exchange Server | Microsoft Corporation |
.RTE | Autodesk, Inc. | Datafiler | Revit Project Template | Microsoft Exchange Server | Microsoft Corporation |
.STF | Microsoft Corporation | Datafiler | Exchange 2000 Server Temporary File | Microsoft Exchange Server | Microsoft Corporation |
.STM | Microsoft Corporation | Datafiler | Exchange Streaming Media File | Microsoft Exchange Server | Microsoft Corporation |
.WEF | Microsoft Corporation | Datafiler | Microsoft Exchange File System Format | Microsoft Exchange Server | Microsoft Corporation |
.XNK | Microsoft Corporation | Ikke Almindelige Filer | Microsoft Exchange Public Folder Shortcut | Microsoft Exchange Server | Microsoft Corporation |