Technology Insights

Mac Outlook NK2 File

Previously I wrote an article, located here, about the NK2 file on Windows that stores the email addresses you type into the “To Field” when sending emails. The NK2 file stores the history of what you type or paste into the To field so it can auto complete for you in the future. This is a great feature however deleting old entries is not always the easiest and that makes it a bit unfortunate. You can typically turn off auto complete however you could also modify the files that store the contact cache that is used for auto complete. Follow the directions below to locate email addresses stored in the To Field Outlook for Mac cache to either modify or delete.

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Technology Insights

List Of Mac OSX Lion screencapture Format Types & Photoshop Image Mode For Each Mac Format

When I got my Macbook about 9 months ago one of the first things I did was change the default OSX screenshot format type from PNG to GIF. I edit a lot of images in Photoshop to post in technical articles and for the GIF’s I have been having to change the Photoshop Image Mode from Indexed Color to RGB to apply most filters during the process of editing the image. Photoshop loses a lot of functionality when an image’s Image Mode is set to Indexed so each time I modified an screenshot image and say wanted to apply a filter I would first have to modify the Photoshop Image Mode from Indexed Color to RGB. I recently got fed up with having to do that so I was looking for a solution when I realized if I just change the default screencapture format back to PNG the images open in Photoshop with the Image Mode set to RGB or Red/Green/Blue Color Model. Anyhow when doing so I started to wonder what image formats were available to set as the default screencapture format. Below I describe the details of what screencapture image formats are available in Mac OSX Lion and also what Image Mode that Adobe Photoshop opens each format from the Mac in.

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Technology Insights

How To Change An Images Color Profile On Mac OSX Lion

While looking into all of the specifics of the screencapture application on Mac OSX Lion I came across some interesting information about Color Profile. The Color Profile is assigned to each image captured with screencapture and I assume other media utilities function in the same way meaning they use the color profile that was configured when the image was created. The Color Profile stands for ICC Profile or International Color Consortium Profile and specifies a configuration file or set of configuration details that include color attributes. As you can image not all monitors display colors in the same way the same as not all graphics cards output colors in the same way so the Color Profile assigns settings that can be adjusted to make colors or any form of graphics look different.

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