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Do I have the right program?
If you don’t have a program installed on your computer that’s compatible with R3U files, you won’t be able to open one. See if you have one of the most common programs associated with R3U files listed below.
- Binary Data
What type of file is it?
When you can’t open R3U files, try to figure out the file type. This can help you find the right program to open it. Usually, R3U files are considered Uncommon Files. However, you can look up the file type to be sure. Start by right-clicking the file icon and clicking “Properties” (“More Info” if you’re on a Mac). Then look for the file type under “Type of File” (“Kind” on a Mac).
Can a developer help?
When you can’t open R3U files, a software developer might be able to help. The developers for the programs mentioned above are as follows:
| Software | Developer |
|---|---|
| Binary Data | Microsoft Developer |
Try contacting one of these developers to find out how you can open your R3U file.
Can I use a universal file viewer?
A universal file viewer is the way to go when you have R3U files that can’t be opened by any other program. Install a universal file viewer like File Magic (Download) and see if it will open your R3U file. Remember that if your file is not compatible, the universal file viewer will only open it in binary format.
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1File types that are unsupported can be opened in binary format.
