.TDB File Extension

Database File

Database File
The TDB file format is an extension that identifies a Thumbs or ACT! contact management system database file. This database is stored as a relational database that contains the settings for the running of the contact management software as well as the information for each contact. Because of the way this information is stored in the database file, it is not recommended to open the database with any program except ACT! or Thumbs and it is also not recommended to edit it manually.

Other .TDB file extensions
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