ADT File Type

- The quick facts

What are ADT files and how to open them

Are you having problems opening an ADT file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ADT file?

ADT files have multiple uses, and Act! Document Template is one of them.

Act! Document Template

Act!, previously Sage Act, is a marketing and CRM software solution. It stores document templates for its built-in Word Processor with the .adt file extension.

How to open ADT files

We have identified one ADT opener that is compatible with this specific type of ADT file.

Programs that open Act! Document Template files

ACT! by SageACT! by SageVerified

Last updated: June 29, 2022

All known file formats using extension .ADT

While Act! Document Template is a popular type of ADT-file, we know of 4 different uses of the .ADT extension. Different software may use files with the same extension for different types of data.

Advantage Data Server table

These ADT files are database files that contain a single table. This database type is known as a Sybase Advantage Database. You can not open these ADT files directly; you have to connect to them using an ADS database engine. Using the Advantage Data Architect tool, you can export the table data and import it into databases like SQL servers.

While we have not verified the apps ourselves yet, our users have suggested 10 different ADT openers which you will find listed below.

More file formats using the ADT extension

Through our research of ADT files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Addict Thesaurus
  • Casio Pocket Viewer Add-in Data File

Various apps that use files with this extension

These apps are known to open certain types of ADT files. Remember, different programs may use ADT files for different purposes, so you may need to try out a few of them to be able to open your specific file.

VLC Media PlayerVLC Media PlayerUser submitted
KMPlayerKMPlayerUser submitted
Zoom PlayerZoom PlayerUser submitted
TS PlayerTS PlayerUser submitted
Advantage Data ArchitectAdvantage Data ArchitectUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
Ace PlayerAce PlayerUser submitted
Sigma media playerSigma media playerUser submitted
Torrent Video PlayerTorrent Video PlayerUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about ADT file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.