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You can open PDFs in most internet browsers but editing them requires special tools. These aren’t the only specifications in the PDF family, but they’re the most commonly used PDFs for most industries. PDF/X – The PDF/X file format best suits graphic designers and can include information like color profiles and transparencies.

PDF/E – “E” for “engineering.” This version of PDF is ideal for technical engineering documentation. PDF/A – A specialized version of PDF useful for long-term document preservation. PDF – The standard PDF format that most offices and consumers use for general documentation. While these formats accomplish the same general purpose, they are especially adept at specialized strengths. Most PDFs are the “default” PDF standard format, but there is more than one form a PDF can take. That makes editing their contents more complicated than editing the contents of a Word or Excel document, for example. They can contain text, images, signature lines, and even rich media components like animations, videos, and 3D models. PDFs are more flexible than most other file formats. However, this portability comes with a catch: while PDFs are viewable in a wide range of software, they are not editable in most software. While software developers frequently design new software with backward compatibility in mind, PDFs are future-proof so that you can open the same documents in 10 years without any distortion or corruption. PDFs are also more stable than other document formats. PDFs are compatible with a wide array of software in every major operating system, meaning virtually any machine can read them, from supercomputers to smartphones. The name “PDF” stands for “Portable Document Format.” As this name suggests, PDFs prioritize portability.