DOCUMENT:Q87379 28-OCT-1999 [pcmail] TITLE :PC DB: Description of an .ATT File PRODUCT :Microsoft Mail For PC Networks PROD/VER:WINDOWS:2.1e,3.0,3.2 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Mail for PC Networks, versions 2.1e, 3.0, 3.2 ------------------------------------------------------------------------------- SUMMARY ======= An .ATT file is the method by which the Microsoft Mail system stores attachment files. The .ATT files are accessed by using pointers previously stored in an .MAI file. An attachment file can be any valid MS-DOS file of any size. A single .MAI file can reference several attachments; however, a single attachment file cannot be referenced more than once. Attachment files are fully encrypted. MORE INFORMATION ================ Below is a brief description of the mail message fields. A mail file is composed of fields. Each field is composed of a field type, field length, and data. Fields can be either as specified in FIPS PUB 98 or vendor-defined fields. A vendor-defined field is a field that can be defined for your own purposes. The Mail system uses several vendor-defined fields. The following table specifies the fields that a mail message is composed of and the order that these fields generally appear in a mail message. Field Name Field Type --------------------------------- Message format Vendor-defined From Vendor-defined To Standard Cc Standard Date Standard Priority Standard Subject Standard Attachments Vendor-defined Text Standard Additional query words: 2.10e 3.00 3.20 ====================================================================== Keywords : Technology : kbMailSearch kbZNotKeyword3 kbMailPCN320 kbMailPCN300 kbMailPCN210e Version : WINDOWS:2.1e,3.0,3.2 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1999.