How to Create Backward Compatible PDFs?

Answer If you have created a PDF document using Adobe Acrobat version 6 (or higher), users with lower versions of Acrobat Reader will be unable to view the document. However, you can make the PDF document... Read More »

Top Q&A For: How to Create Backward Compatible PDFs

Will blu-ray be backward compatible with DVD?

Will any new PlayStation 3 be backward compatible?

No, new PlayStation 3 consoles no longer feature backward compatibility. With the release of the 120 GB and 250 GB units, Sony signaled the end of backward compatibility. Older, out-of-production u... Read More »

Are Zip drives backward compatible?

On One Hand: Newer Zip Drives Can Read Old Zip DrivesEach Iomega Zip Drive can read files from previously released disks. The 250 MB drive can read from 100 MB disk, and the 750 MB drive can read ... Read More »

Is DDR memory backward compatible?

DDR SDRAM DIMMs are not backward compatible with the previous standard--SDRAM. Not only are they technically incompatible, but their physical shape prevents them from fitting into previous generat... Read More »