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PDF/A format for final thesis

PDF/A is a format specialised for accessibility, digital preservation and archiving of electronic documents, such as theses, dissertations, and research papers. PDF/A applies the necessary transformations to existing PDFs, such as embedding fonts, setting colour spaces, and a user interface for reading embedded annotations.

PDF/A comes in several different versions, such as PDF/A-1a and PDF/A-1b. Understanding the differences between PDF/A-1a and PDF/A-1b can help you make an informed choice. Both formats are acceptable, but PDF/A-1a has stricter compliance conditions and is more challenging to convert from a PDF. As a general guideline, if given the option, save to PDF/A-1a from a non-PDF document (such as a Word document). If you are converting from PDF to PDF/A, use the PDF/A-1b format.