Publishers are becoming more aware of virtual learning environments (VLEs), like Moodle, and they are beginning to provide materials in VLE-friendly formats. For example, most documents are provided in PDF format (publishers like this format because files can be copy protected), activities are provided in SCORM or Flash format (more on SCORM and Flash in the next chapter). The formats publishers choose are nearly always generic, and it would be unusual if your students needed to install special software on their computers in order to view it. If you aren't sure of the format of files you want to upload, then it's well worth checking with your admin.
Note
Avoid uploading large documents to your Moodle course. Your Moodle's file upload limit might prevent you from doing this. (In versions of Moodle prior to 2.0, you are not warned if you are going to exceed the limit before the upload commences.) Furthermore, your students won't be happy if they have a slow...