Moving Keynote presentations between Mac and Windows can be tricky, especially if you want to open them in PowerPoint. To solve this problem we show you easy ways to edit .key files on a Windows PC ...

One of the potentially frustrating things about switching back and forth between Mac and Windows PCs can be proprietary formats — a key example being Apple's DMGs (disk images). Here's how to ...

If you get Access is denied message when opening encrypted files, you may need to first export the Encrypting File System (EFS) certificate and key.