Thanks for bringing this to our attention, Lainie! There is no caffeine in our Tylenol Arthritis Pain Caplets so your experience is very unusual. So we can learn more about what happened and gather some details about this product, please give us a call at 1-877-895-3665. We're here to assist you Monday-Friday 9AM-7PM ET.
MOBI files can be created through two different ways. One is through the original MobiPocket Creator and one is through Amazon tools like KindleGen. The former is not accepted anymore and the latter is supported and recommended by Kindle for formatting. ePub (epub)
Publisher's proprietary file format is, with the exception of Adobe PageMaker, unsupported by most other applications. However, Publisher supports numerous other file formats, including the EMF (Enhanced Metafile) format, which is standard and supported across many applications and platforms.