| File Extension: | ORB |
| File Type Description: | Original eBook Reader File |
| File Type Developer: | Original eBook |
| Primary Associated Software: | ORB Reader |
| Primary Software Developer: | Original eBook |
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Primarily, a ORB file extension is a type of Original eBook Reader File file developed for the ORB Reader software program by Original eBook. Our data shows that ORB files are frequently utilized by PC users in United States and popular on the Windows 10 platform. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.
 | ORB Reader by Original eBook |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .AVA | Open Source | eBook Files | AvaaBook eBook |
| .HAN | Amazon | eBook Files | Amazon Kindle eBook Data File |
| .IBOOKS | Apple | eBook Files | Multi-Touch iBook |
| .AZW6 | Amazon | eBook Files | Amazon Kindle Ebook |
| .MBP | Mobipocket | eBook Files | Mobipocket Notes File |
| .AZW3R | Amazon | eBook Files | Amazon KF8 eBook |
| .PRC | Adobe Systems Incorporated | 3D Image Files | Product Representation Compact File |
| .LBXCOL | Libronix Corporation | eBook Files | Libronix DLS Resource Collection File |
| .XEB | Founder Group | eBook Files | Apabi eBook File |
| .KCB | Amazon | eBook Files | Kindle Textbook Creator File |
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