.DAT File Extension

Developer:
U.S. Department of State
File Type:
Nonimmigrant Visa Application Data File
Popularity:

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

What is a DAT file?

Dat file extension has Nonimmigrant Visa Application Data file type, developed by U.S. Department of State, which is associated with the "data files" category.

Generated by an online application, the file is used during the process of applying for the U.S. Online Nonimmigrant Visa. It provides user’s personal information. It may be also applied to store the application when filling the online form.

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

dat file icon
Developer:
U.S. Department of State
File Type:
Nonimmigrant Visa Application Data File
Category:
Data Files
Format:
Binary

How to open DAT file?

Double click the dat 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 .dat 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 dat 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".
4.449.920 downloads

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 dat 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 DAT files

  • Web Web
    • U.S. Nonimmigrant Visa Application U.S. Nonimmigrant Visa Application

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 dat file as well. Download Universal File Viewer for your OS.

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