[24] When Amazon receives the file, it converts the file to Kindle File Structure and outlets it from the user's online library (termed "Your Content material" by Amazon). Material additional via Mail to Kindle is extra for the person library as Personal Documents by default, but some Ship to Kindle https://freeonlinetoolsseourl.blogspot.com/2025/12/kindle-in-2026-future-specs-ai-features.html