Legacy format implies an outdated or old-fashioned way of presenting information. Synonyms for legacy format include antiquated, archaic, outmoded, obsolete, outdated, old-school, retro, vintage and traditional. These terms signify that a particular format may have served a purpose in the past, but it is no longer suitable for the modern age. Often, legacy formats are incompatible with newer technology or require special equipment to access them. It is essential to keep up with the ever-evolving technology and convert old documents to the latest format for easy accessibility and better preservation. Hence, it is advisable to abandon legacy formats in favor of more modern and compatible file types.