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Opening OPT Files without Unknown Apple II File, Business Integrator Option File, or Psion Organiser OPL Source Software Installed
Different software packages tend to sometimes share similar file types. Unknown Apple II File, Business Integrator Option File, and Psion Organiser OPL Source are some of the popular programs that use the OPT file extension, so you should be able to use any of these three to open your file. You might even be able to find others by doing a quick Google search.
A word of warning, though. Be sure to scan any free software you download with a malware checker before running it on your computer.
If You Have Unknown Apple II File, Business Integrator Option File, or Psion Organiser OPL Source Installed
If one of these software packages are already installed on your PC, but it still won't work to open your OPT file, you might have to check that the file associations are correct. Right-click on the file, select "Open With...", and then select Unknown Apple II File, Business Integrator Option File, or Psion Organiser OPL Source. That will create an association between the OPT file extension and your chosen software.
Your OPT Might Be Corrupt
Finally, if you're still having issues opening your OPT file, download the file again or ask the sender to resend it. It's possible that your OPT file might be corrupt. As a last resort, contact the software developers to see if they may be of further assistance.
Here's a list of OPT-related software programs and their developers:
| Software | Developer |
|---|---|
| Unknown Apple II File | found on Golden Orchard Apple II CD Rom |
| Business Integrator Option File | Pervasive Software Inc. |
| Psion Organiser OPL Source | Psion PLC |
| Segue SilkTest Option Set File | Microsoft Developer |
| pcAnywhere Option Set File | Windows Software |
| QEMM Optimize | Windows Software |
| PhotoScore Document | Neuratron Ltd |
| FLEXnet Manager Options File | Acresso Software Inc. |
| Developer Studio File Workspace Options | Microsoft Corporation |
| Delphi Project Options | Borland Software Corporation |
| ProWORX Nxt List Module Option File | Schneider Electric |
| Options/Configuration | Unknown |
The Easiest Way to Open OPT File Extensions
Don't want to spend money on buying software to use it only once? Save yourself the trouble of installing unwanted software simply to view the occasional OPT file by downloading a universal software viewer such as File Magic [download] instead. File Magic allows you to open and view hundreds of different file types with one program. Download File Magic now and try it for yourself.
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