Alpha channel, take a look at CHANNELS palette
Go to the Select menu, then select Save Selection. Then type in a name for the selection and click OK.
Mask will be saved as Alpha channel in CHANNELS panel (Window > Channels).
If you mean an animated .gif file, then in Photoshop, you cannot. [It will only save one frame] But, when you install Photoshop, another program is automatically installed -- Adobe Image Ready. With ImageReady, you can create and save animations. Search through your programs and find ImageReady. Open it, create a new document, [File / New] paste the animation, and go to File / Save Optimized As. Choose a name, click Save, and you're done. TO open it, go to File / Open and type in the name or scroll down to find the animation.
Go - File - Save or SAVE AS
You can save Lab images in PSD, PSB, Photoshop EPS, Photoshop PDF, Photoshop Raw, TIFF, Photoshop DCS 1.0, and Photoshop DCS 2.0 formats.
It automatically creates a save block in the Nintendo Wii. As for Computer, I don't know.
A Bitmap is a file you can save pictures as like JPEG or PNG, in photoshop it means save the picture as a bitmap
Photoshop 7 just like any other Photoshop, it uses .psd to save, open etc. You can save as other format too.
eat rocks
Bridge is a program used to store and sort your pictures. It creates an easier path to drag pictures and save pictures to different programs, such as photoshop, catalyst, lightroom, etc... It doesn't do anything as far as editing goes, but it makes it very easy to sort pictures.
First save photos on hard drive, right click on photo then choose Save or Save As, then open it Photoshop throught File - Open
Adobe illustrator (AI) is a vector file format to save vector illustrations. It is the default format for Adobe illustrator. Photoshop cannot save the images in to AI format but it can be opened in Photoshop.