Computer Course for Seniors
Your computer can handle all types of files. Each program on a computer can only handle certain format of files, therefore it is very important for your computer to know what format each file is in. The file format used to be called file extension. For example, a picture coming out of a camera usually has a file type of jpeg which is the acronym for Joint Photographic Experts Group. Therefore a picture file could look like IMG_0001.jpg . Depending on the make of your camera, the file names differ but will always be followed by the 'extension' .jpg.
In Explorer, choosing a file will usually automatically open the file with the appropriate software. Below is a list of the top file formats you should see.
• Adobe Flash (.swf)
There are hundreds of others but we will be concentrating on the above. For a full list of file formats, click here.
Determining which program will start when a certain file is open is called File Association or default program settings. Go get here choose Start>Default Programs. The screen below should appear:
The second option is the associate function. When choosing this, you can see which progams will open which file formats. See below.
The other way to change the program associated with a file format is the Open with... options. When you right click on a file, you may have the option of opening it with more than one program. There you have to option of using the Choose Default Program at the bottom of the menu.
Remember, right clicking the mouse on objects gives you all the choices you can do with that object.
Attachments in e-mails
In computers, size is important. Click here to continue to the File Size section.