There are two basic types of documents you can use in a paperless office. The first type of document is text based. These are formats like .TXT .RTF .DOC, etc. These store text as editable information. You can go in and change the document, fix spelling, copy sentences, etc. The second type of document is an image based document. This includes formats like .TIF, .JPG, .PNG, .GIF, etc. These documents just represent a bunch of pixels. The computer can't edit the words themselves other than by deleting pixels and putting new pixels down. You can't copy a sentence and paste it into another program if you are using this format. The advantage of the text-based formats is the … [Read more...] about Text and Image Documents