JPEG
One of the most well known and accepted graphic formats around. Being a bitmap format, JPEG is suited to screen based uses (e.g. websites and presentations) but also works well in documents like Word.
Use for
- Websites and email templates
- Presentations (PowerPoint, Keynote etc)
- For simple documents (Word, Pages etc)
- Sending to friends for easy view
But not for
- High quality print materials
- Sending to printers, publishers, designers etc
EPS
(Encapsulated PostScript)
A tried and true format used by designers to interchange logos with others (e.g. printers). Being a vector format, EPS files allow your logo to be scaled to the size of a truck and maintain its integrity.
Use for
- High quality print materials
- Sending to printers, publishers, designers etc
But not for
- Websites and email templates
- Presentations (PowerPoint, Keynote etc)
- Sending to friends for easy view