What is a dtf file and how do I open a dtf file?
An ACDSee thumbnail database file is used by the ACDSee digital image file management application for recording the image viewing activities of a user. This is done by the ACDSee program to improve the utility of this digital image management application in assisting a user each time he or she searches for a set of digital photos and images stored in the system. These image viewing activities are recorded in an ACDSee thumbnail database file, which is integrated with encoding specifications proprietary to ACD Systems for storing ACDSee-specific content in the DTF file format. Affixed with the .dtf extension, these ACDSee thumbnail database files may also contain keywords and text descriptions among other metadata details entered by an ACDSee user as the associated details of particular digital image files.
Relevant dtf file links:
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How to open dtf file on Microsoft.com