If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .oa

On this page, we're going to take a closer look at the .oa file extension. We'll explain what exactly a .oa file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .oa files into different formats, we'll give you some tips on how to do that too. Let's see the 2 file formats associated with this file extension!


  1. Cadence OrCAD OpenAccess Data
  2. OpenAccess Database

We trust that our website will provide valuable information for you. If you have any questions, just ask!

oa file - Cadence OrCAD OpenAccess Data

Cadence OrCAD OpenAccess Data

The OA file is a Cadence OrCAD OpenAccess Data. Cadence OrCAD PCB Designer contains a fully integrated design flow that includes a constraint manager, design capture technology, component tools, a PCB editor, an auto/interactive router, and interfaces for manufacturing and mechanical CAD.
Program name: -
Category: Data files
Mime-type: application/octet-stream
Related extensions:
.tcw TurboCAD Drawing
.mnx Autodesk AutoCAD Compiled Menu Data
.dct Autodesk AutoCAD Dictionary Data
.mvi Autodesk AutoCAD AutoFlix Movie Command File
oa file - OpenAccess Database

OpenAccess Database

The OA file is a OpenAccess Database. OpenAccess is a coalition amongst integrated circuit manufacturers to provide a standard for designing chips.
Program name: -
Category: Data files
Mime-type: application/octet-stream
Related extensions:
.kir Kiruna Magnetometer Data
.gctl SCCM GIAM Control Data
.tp5 MODTRAN Tape 5 Data
.xfz Declan Flashcards Words Data

The .oa file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .oa extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .oa file extension wrong?

In our database, we came across the following similar extensions:

.ka Karma Assets Data
.la Netscape Navigator LiveAudio Data
.ao ActionOutline Outline
.pa Cliprex Video
.oz Opera Job Management Compressed File
.ia Rollei RAW Image

The .oa extension is frequently misused

People sometimes confuse the .oa filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

ka (1), la (1), ao (1), pa (1), oz (1), ia (1), ox (1), ow (1)

Having trouble opening a .oa file?

If you want to open a .oa file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .oa association can trigger this error.

Windows can't open this file:

File: example.oa

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android