PDFtiedostoista
PDFtiedostoista" is the Finnish term for "about PDF files." PDF, which stands for Portable Document Format, is a file format developed by Adobe in the 1990s to present documents in a manner independent of application software, hardware, and operating systems. This means a PDF file will look the same regardless of how or where it is opened.
PDF files are widely used for sharing documents that need to maintain their formatting, such as resumes,
Opening and viewing PDF files typically requires a PDF reader, with Adobe Acrobat Reader being the most