Microsoft KB Archive/87379

= PC DB: Description of an .ATT File =

Article ID: 87379

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Mail for PC Networks 2.1e
 * Microsoft Mail for PC Networks 3.0
 * Microsoft Mail for PC Networks 3.2

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This article was previously published under Q87379



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: KB87379

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