.ZDB File Extension

U.S. DoD
File Type:
EPSQ Database

Having trouble opening .zdb extension? Don't panic! This page explains what zdb files are as well as suggests programs you may use to open zdb files. You can download these programs through this page.

What is a ZDB file?

Zdb file extension has EPSQ Database file type, developed by U.S. DoD, which is associated with the "data files" category.

These are encrypted files from the Electronic Personal Security Questionnaire database used by U.S. Department of Defense and U.S. Army. ZDB files are usually needed for the Standard Form 86 Questionnaire for government contractors, employees, and military personnel. 

To learn how you can open the given file, read the information below.

zdb file icon
U.S. DoD
File Type:
EPSQ Database
Data Files

How to open ZDB file?

Double click the zdb file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .zdb extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the zdb extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the zdb file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open ZDB files

  • Windows Windows

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the zdb file as well. Download Universal File Viewer for your OS.

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