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PDF (short for Portable Document Format, meaning "portable document format") is a file format developed by Adobe Systems in 1993 for file exchange. Its advantages are that it is cross-platform, can retain the original format of the file (Layout), is an open standard, and can be freely authorized (Royalty-free) to freely develop PDF-compatible software. It is widely used on today's Internet.
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PDF (short for Portable Document Format, meaning "portable document format") is a file format developed by Adobe Systems in 1993 for file exchange. Its advantages are that it is cross-platform, can retain the original format of the file (Layout), is an open standard, and can be freely authorized (Royalty-free) to freely develop PDF-compatible software. It is widely used on today's Internet.