error opening email attachments

when opening any word, excel or powerpoint attachments received via email I get the "Error opening database 2000" message. I am only able to open attachments by saving them first and then opening them manually. Can anyone explain why this happens please?

This thread is now locked and can not be replied to.

Nintendo Switch review: Hands-on with the intuitive modular console and its disappointing games…

1995-2015: How technology has changed the world in 20 years

The updated 'Corel Painter inside Photoshop' plugin ParticleShop offers new brushes

Best running headphones | Best sport & fitness headphones: 4 brilliant pairs of wireless…