Next time you see arialnormal in a font folder or a PDF stream, you will know exactly what it means: a Western-encoded, regular-weight, hybrid OpenType/TrueType veteran from the late 2000s, version 7.01, standing ready to render your text—quietly, reliably, and without apology.
, you may find it frustrating as it often requires you to manually "update" or substitute fonts in older project files to match the new system version. Microsoft Learn arialnormal opentype truetype version 701 western