An hdb file extension is related to the Act! software. An hdb file stores saved history.

There are 3 other file types using
the HDB file extension!

empty icon.hdb - HansaWorld Enterprise database

empty icon.hdb - Watcher Database patch file

empty icon.hdb - Nero hard disk backup file

Detailed description

Software that open hdb file

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HDB file extension - ACT! history data

What is hdb file? How to open hdb files?

File type specification:

Various data file type icon Various data file type

The hdb file extension is associated with the ACT!, a personal and contact management software for Microsoft Windows, developed by Sage company.

The hdb file contains saved history from ACT! program.

The default software associated to open hdb file:

Act! picture or screenshot

The Sage Group plc logoAct!  Microsoft Windows software

Company or developer:
The Sage Group plc

Act! is contact and customer manager that helps you organize contact information, manage daily responsibilities, and communicate more effectively. The latest version is 17.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .hdb file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open hdb file, edit hdb file, convert hdb file, view hdb file, play hdb file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with hdb file - ACT! history data

Click on the software link for more information about Act!. Act! uses hdb file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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