Edit the five-slide PowerPoint directly in PowerPoint, Keynote or an OOXML-compatible editor. Install desktop Inter from https://github.com/rsms/inter/releases first; fonts are not embedded in the slide file. The accompanying PDF/HTML is a layout reference generated with the website webfont; editor text metrics can vary. Replace placeholder copy and verify product details before use.

Letterhead: edit the self-contained HTML, then print A4 at 100% with headers/footers disabled. A PDF preview is included.

Email: replace [Name], [Role] and [Email], then copy the rendered table into your mail client's signature editor. The official hosted logo needs network access and may require remote images to be enabled. Test a message in your actual email clients. No personal contact is invented.
