As far as I know, the latest is CS6 or CC - there is no CS8 yet! If you mean Photoshop 8, then I have some bad news - the latest camera raw plugin is only compatible with CS6. Older versions of photoshop may have older versions of the plugin shipped with them, but these will not be compatible with newer cameras. Also, Photoshop 8 is rather old, I am not even sure that it has any support for the RAW format whatsoever.
In any PS version you should be able to open the file as you would any other. It will open up the RAW file screen where you can further edit any coloring or temperature of the photo before opening it to edit directly in Photoshop.
Adobe Photoshop CS8 most likely WILL BE compatible with OS X, the most current version CS6 is compatible. At this time my crystal ball is malfunctioning, so I can't look into the future to check for you, sorry.
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DNG is free open source format which is useful to convert raw files to DNG and keep all features because every camera manufacturer have its own different format. DNG files you can open in Camera Raw Photoshop plugin which comes with Photoshop installation. Find photo in Bridge and double click it or use Ctrl + R. From Camera Raw you can open it from Open button at right bottom of Camera Raw window (Shift + click) to open as Smart Object.
You can double click on image in Bridge and it will open in camera raw plugin,there you can work with picture or just save it in other format,press open image and it will open in Photoshop then go to save,save as or save for web and device and save in format you want , or you can open .jpg image in camera raw,right click on image and choose Open in Camera Raw
Beside PSE You can open any other format that Photoshop Elements have to offer to save image.
You can open .gif file in Photoshop, to convert it to another format, first open it in Photoshop then go to Save As and choose another format to save. If you cannot open that file in photoshop then See related link for free online file conversion, convert to png, jpg or tiff and you will open file in Photoshop.
Vector (will be rasterized on open if not saved in Photoshop PDF format) and raster images.
DNG files you can open in Camera Raw Photoshop plugin which comes with Photoshop installation. Find photo in Bridge and double click it or use Ctrl + R. From Camera Raw you can open it from Open button at right bottom of Camera Raw window (Shift + click) to open as Smart Object.
You cannot directly. You have to open it in 3D Studio Max, then save it to a format that is supported by Photoshop (typically you will render it to a jpeg for example), then you can open it with photoshop or ther image editing software.
almost any format:.jpg , .gif , .png are most common but you can open almost any other format
Photoshop 7 just like any other Photoshop, it uses .psd to save, open etc. You can save as other format too.
Shoot at the highest megapixel rating the camera can do and resize the picture in the computer using software like Photoshop, Corel or GIMP. RAW format is always the best if you know how to handle it.
Open the PSD in CAMERA RAW and then if you need to undertake any editing do so and save it through "SAVE AS" in Camera Raw
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.
Do you mean how to resize image? First open image from File > Open in Photoshop then go to Image > Image Size. If you want to edit image you can do that regardless of source of that image. Image can be scanned, captured by digital camera, created in Photoshop or any other software available on market. If Photoshop supports that file format (JPEG, TIFF, PSD, PNG and so on) then you can edit it.
CR2 is a raw image format used by Canon. Google CR2 and you can download a free viewer.
In Photoshop go to File > Save or Save As and check if in Save dialog Format (at bottom of Save window) is set to Photoshop (*PSD, *PDD), if not click on arrow on right side of Format and choose Photoshop (*PSD, *PDD) from list.
then Photoshop do not support that kind of file, format. Or file is damaged. How to save these pictures ?
.PSD (Photoshop Document)
Gimp can open a .PSD file directly, and save it out as it's native format - the .XCF
Start Adobe Bridge (you have Bridge on computer if you have Adobe Photoshop CS installed), find RAW image and just double click it to open in Camera RAW Photoshop plugin, then save it as JPEG from Camera RAW.
Open Photoshop, open your picture in Photoshop from File>Open, then start making changes. Of course if you are unfamiliar with Photoshop, you may want to learn the basics first.
Photoshop's native format is PSD, or .psd File format itself refers to the format a image was saved as.
In Photoshop - PSD file format.
Recommended format is .psd format which preserve almost all Photoshop capabilities.