Written by Steve Patterson. Photoshop CS5 is without a doubt the most amazingly powerful version of Photoshop to date, but getting the program to run as smoothly and efficiently as possible means we need to take a look through Photoshop's Preferences and make sure everything is set up correctly. Not only can this help to avoid any performance problems, it also gives us the chance to customize Photoshop to better suit our own individual work style. Of course, if you're just starting out with Photoshop, you probably don't have a "work style" just yet, but one of the nice things about the Preferences is that they can be changed at any time, so once you're more comfortable with the program, you can use this guide to start customizing Photoshop CS5 in ways that feel more natural to you.

Some of Photoshop's Preferences directly affect the program's performance, while others are simply a personal choice (which explains why they're called "Preferences" and not "You Better Use These Settings Or Else-es"). We won't be covering every single option in this tutorial, since most are perfectly fine with their default settings, but there's a few important ones we definitely need to look at, starting with one that can have a major impact on the results you get when resizing images! Let's get started!

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General Preferences

If you're working on a Windows system, you can access Photoshop's Preferences by going up to the Edit menu in the Menu Bar along the top of the screen, choosing Preferences way down at the bottom of the list of options, and then choosing General. On a Mac, which is what I'm using here (it makes no difference which one you're using), go up to the Photoshop menu in the Menu Bar, choose Preferences, and then choose General. Or, for a faster way to access the Preferences, press Ctrl+K (Win) / Command+K (Mac) on your keyboard. Either way opens up the Preferences dialog box set to the General category. Other categories, like Interface, File Handling, Performance, and so on, can be found and accessed along the left column of the dialog box. We'll get to some of these other categories a bit later:

Image Interpolation

As I mentioned, we're not going to go through every single option in every single category because most of them are fine just the way they are (and also, we'd both die of boredom), but the first option we do need to look at is Image Interpolation up near the top of the dialog box. Image interpolation deals with how Photoshop handles the pixels in your image when you resize it. The general rule with Photoshop is that it's okay to make images smaller than their original size, but you want to avoid making them larger whenever possible, since enlarging an image usually results in it looking soft, dull and otherwise blah.

Most of the time (as in 99.99% of the time), if we're resizing a photo, we're making it smaller, so we should choose an interpolation option that will give us the best results when reducing the size of an image, and that option is Bicubic Sharper. By default, Image Interpolation is set to Bicubic. Click on the drop-down menu and choose Bicubic Sharper from the list. This preference affects the results we get when resizing images using Photoshop's Image Size dialog box, as well as the Crop Tool and the Free Transform command, which is why it's so important to set it properly here:

Export Clipboard

Another important option in the General Preferences category than can affect your system's performance is Export Clipboard. With Export Clipboard enabled, you can copy an image from Photoshop to your computer's memory (the "clipboard") and then paste the image directly into another program you have open, like InDesign, Microsoft Word, and so on. The problem is, images you're working on in Photoshop can be extremely large in file size, and copying these large files to the clipboard can cause serious performance issues. It's not very often (if ever) that you'll find yourself copying images from Photoshop and pasting them into other programs, so unless you work mainly with very small images (like for the web), it's a good idea to leave Export Clipboard disabled by unchecking it:

Use Shift Key For Tool Switch

This next option won't affect Photoshop's performance but will affect how you select Photoshop's various tools, at least if you're the type who likes to select them using their handy keyboard shortcuts. Photoshop comes with so many tools that Adobe couldn't fit them all inside the Tools panel without nesting some of the tools behind others. For example, the Polygonal Lasso Tool and the Magnetic Lasso Tool are both nested behind the standard Lasso Tool. To select either of them from the Tools panel, we need to click on the Lasso Tool and keep our mouse button held down for a second or two until a fly-out menu appears, then select them from the menu:

What if we want to select them using their keyboard shortcut? All three tools share the same letter L as their keyboard shortcut, just as other tools nested behind each other in the same slot also share the same letter (for example, the Rectangular Marquee Tool and the Elliptical Marquee Tool both share the letter M as their shortcut). With the Use Shift Key For Tool Switch option enabled in Photoshop's Preferences, we can cycle through all of the tools in the same slot by holding down the Shift key while pressing the keyboard shortcut repeatedly. With the option disabled, there's no need to hold down the Shift key. Simply press the keyboard shortcut repeatedly to cycle through the tools. This is entirely a personal preference, but I prefer leaving this option disabled (unchecked) since having to add the Shift key when cycling though tools just seems like an unnecessary added step:

Zoom Preferences

The next three options we need to look at all have to do with Photoshop's behavior when zooming in an out of images, and I'd recommend enabling all three of these options. If you're working in Standard screen mode (which is Photoshop's default screen mode), the Zoom Resizes Windows option tells Photoshop to resize the document window for you as you zoom in and out. With the Zoom Clicked Point to Center option enabled, Photoshop will re-center the image on screen at the spot you clicked on with the Zoom Tool. Finally, if you have a scroll wheel on your mouse, the Zoom with Scroll Wheel option lets you zoom in and out of the image using... you guessed it, the scroll wheel:

Interface Preferences

Select the Interface category on the left of the dialog box to view options for setting up Photoshop's user interface:

Image Border

Photoshop CS5 lets us fancy up the screen a little bit by adding a thin border, a drop shadow, or both to the image we're working on. Neither of them are actually part of the image and won't be saved with it. They also won't appear if you print the image. They're simply an attempt to make your work area look a bit more interesting on the screen. This is entirely a personal preference, but you may find, as I do, that they're more distracting than anything else. I'd recommend turning both of them off by setting the Border option to None for each of Photoshop CS5's three screen modes (Standard, Full Screen with Menus and Full Screen):

Show Tool Tips

Another personal preference is the Show Tool Tips option. With Show Tool Tips enabled (as it is by default), Photoshop will display a short description of interface items when you hover your mouse over them. This can be very useful if you're just starting out with Photoshop or if you've upgraded to CS5 and are still trying to learn where the new stuff is and what it does. If you're fairly comfortable with Photoshop CS5, though, having the Tool Tips always popping up can get a little annoying, so in that case, I'd recommend turning them off. You can always come back here later to enable or disable them as needed:

Tabbed Documents

Back in Photoshop CS3 and earlier, whenever we opened two or more images at once, each image would appear on screen in its own independent, floating document window. Photoshop CS4 introduced tabbed document windows, where all of the images appeared nested inside a single document separated by a series of name tabs along the top. Switching between the images was done by clicking on their tabs, sort of like switching between folders in a filing cabinet.

Photoshop CS5 also uses tabbed documents by default, and while some people think they're great, others prefer the old floating document windows, which do make it easier to drag images or layers from one document to another. If you're a fan of tabbed documents, there's no need to change anything in the Preferences, but if you'd rather have your images open in independent document windows, uncheck the Open Documents As Tabs and Enable Floating Document Window Docking options in the Panels & Documents section of the dialog box. As with any of Photoshop's preferences, you can always come back here at any time to enable or disable these options:

UI Font Size

If you find that Photoshop's interface text is a little too small for comfort, you can increase its size by changing the UI Font Size option to either Medium or Large. And no, this option isn't just for old folks with poor eye sight. Working on a very high resolution monitor can make Photoshop's interface text appear very small. Personally, I like to set my font size to Large which I find helps to avoid eye strain. You'll need to close and then re-open Photoshop for the change to take effect:

File Handling Preferences

Select the File Handling preferences category on the left of the dialog box:

Ask Before Saving Layered TIFF Files

One of the most popular file formats used in Photoshop is the TIFF format thanks to its excellent image quality and its ability to work with layers. The only annoying problem with it is that every time you go to save your TIFF file, Photoshop asks if you want to save the layers with the file, as if there's any reason why you would not want to keep them. To stop Photoshop from asking, uncheck the Ask Before Saving Layered TIFF Files option in the File Compatibility section:

Maximize PSD and PSB File Compatibility

Another important option here is Maximize PSD and PSB File Compatibility. What this does is it saves a flattened version of your image along with your layered Photoshop file to make the file compatible with other programs, or with older versions of Photoshop, that can't open or work with the file without that flattened version being included. The problem is that including the flattened version can add as much as 50% more to your file size, which means you don't want to include it if you don't have to. So the question then becomes, do I need to include it?

If you only ever work on your images in Photoshop, and only in a recent version of the program, the answer is no, so I'd recommend setting this option to Never. If, on the other hand, you're also a Lightroom user, Lightroom needs that flattened version to be included in the file, so in that case, set the option to Ask, which means Photoshop will ask you if you want to maximize file compatibility when you go to save the Photoshop file, at which point you can click either Yes or No depending on whether or not the file will also be used with Lightroom:

Recent File List

The third and final option we should look at in the File Handling category is the Recent File List, which sets the number of recently opened files you can access in Photoshop when you go up to the File menu at the top of the screen and choose Open Recent. The default value is 10, which is pretty low. I'd recommend increasing it to at least 20 since it won't have any negative impact on Photoshop's performance:

Up next, we'll look at some very important Performance preferences!

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