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Pick the Right Program
Start by choosing the right program to open your 3X file. A few of the most common programs used to open 3X files are listed below. One of them should be able to open your 3X file.
- Unknown Apple II File
- Advent 3B2 Entity
Note the File Type
Other programs may be able to open your 3X file, depending on the type of file it is. You can find the file type listed in the file’s properties. On a Windows PC, right-click the file, click "Properties", then look under “Type of File.” On a Mac computer, right-click the file, click “More Info,” then look under “Kind”.
Tip: If it’s the 3X file extension, it probably falls under the Uncommon Files type, so any program used for Uncommon Files should open your 3X file.
Ask the Developer
Contacting the software developer is another easy way to get help opening a 3X file. You can find the developers for the most common programs used to open 3X files in the list below.
| Software | Developer |
|---|---|
| Unknown Apple II File | found on Golden Orchard Apple II CD Rom |
| Advent 3B2 Entity | Microsoft Programmer |
Use a Universal File Viewer
When all else fails, a universal file viewer is the best way to open a 3X file. Programs like File Magic (Download) can open many different types of files, depending on the format. Although, some files may not be compatible with these programs. If your 3X file isn’t compatible, it will only open in binary format.
Recommended Download
Download Universal File Viewer (File Magic)
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Opens all your files
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1File types that are unsupported can be opened in binary format.
