Short description of 5000+ Calendar 2010 Templates A4 Paper A4-UK-2010: Bestworkx Diary Planning System. EXECUTIVE 2010 - A4 Paper. Over 5000+ Calendar Refill Templates. Use this dated planner templates to customize or update your Filofax Personal Organizer. (Printable PDF eBook). Fits into any A4 Planning System, Filofax, Time/System, Desk Planner, Mandarina Duck, Personal Organizer or Loose Leaf File Binders. Select from various Design Templates. Printable on A4 Ink Jet and Laser Printer (210x297mm).