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Oct 9, 2016 12:31:48   #
Larry Maxon
 
First, I admit to being a newbie to photoshop. Is there an undo command I can use to reverse an edit?

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Oct 9, 2016 12:42:05   #
Dngallagher Loc: Wilmington De.
 
Larry Maxon wrote:
First, I admit to being a newbie to photoshop. Is there an undo command I can use to reverse an edit?


Undo from the EDIT menu will step back from active edits. Working in Layers will assure that you can always go back from edits to prior edits and start over. Once an edit is "baked in" it is not undoable.

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Oct 9, 2016 12:48:28   #
Rongnongno Loc: FL
 
Larry Maxon wrote:
First, I admit to being a newbie to photoshop. Is there an undo command I can use to reverse an edit?

Ctl-Z for first edit
Alt-Ctrl-Z for successive undo
History for deeper undo
In addition you have the use of 'snapshot' to simply revert to an edit stage (manually set).

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Oct 9, 2016 12:59:48   #
CPR Loc: Nature Coast of Florida
 
Ctl-Z and Alt-ctrl-Z do the job but think "LAYERS"!!! and then if those don't work for you just hit F12 and wipe it all out and start over from the beginning.

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Oct 9, 2016 13:08:11   #
Rongnongno Loc: FL
 
Layers are not about undoing. Undoing an edit is Ctrl-Z as you can undo what you did inside a layer.

If you use layer as an 'undo' you are missing the point.

F12 returns to the original state of an image, something drastic I will never consider as 'undo'. Snapshot is way more powerful and flexible.

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Oct 9, 2016 13:21:34   #
Bill1453
 
There are a couple of ways you can do this. First, make sure your history pallet is open. In the top toolbar click on window from the pull down make sure the history tap is check. From there you can go back as much want. Second, To go back one step, Command-Z on a MAC and Control-Z on a PC. To go back multiple steps. Command-Option-Z on a MAC or Command-Alt-Z on a PC.
Ps: Never work from the original photo. Always make a copy. In the layers pallet, you want to create a new layer. Drag your background copy to the layers button, it's the one next to the garbage can. Hope this help you.

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Oct 9, 2016 16:37:49   #
Larry Maxon
 
Thank you

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Oct 10, 2016 07:50:03   #
mborn Loc: Massachusetts
 
You can also use smart objects for filters you can go back and adjust the filter

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Oct 10, 2016 08:03:27   #
russelray Loc: La Mesa CA
 
If you understand "File, Save As" which software has been using since the very beginning, or at least since 1978 that I'm familiar with, you can work on the original picture. I do, and always have. That way I didn't have to learn any new stuff about saving my work while keeping the original.

As a previous reply said, use the History panel. Greatest thing since sliced bread.

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Oct 10, 2016 08:12:52   #
Morning Star Loc: West coast, North of the 49th N.
 
Larry Maxon wrote:
First, I admit to being a newbie to photoshop. Is there an undo command I can use to reverse an edit?


Have a look here:
https://helpx.adobe.com/photoshop/using/undo-history.html
I suggest you try this on a copy of a photo, or on a photo for which it doesn't matter if you ruin it altogether.
I quickly scanned the article, did not thoroughly read it, but I believe that you can set the number of history steps in your preferences. I have mine set at 50 and find that sufficient for most editing work I do.

EtA: A video from Lynda.com
https://helpx.adobe.com/photoshop/how-to/photoshop-undo-history-panel.html

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Oct 10, 2016 09:20:55   #
Radioactive Loc: Bellingham
 
Lynda.com has a free trial. They have an excellent course on Photoshop Fundamentals by Julianne Kost that is wonderful. It is very comprehensive.
Bill

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Oct 10, 2016 15:46:21   #
RichieC Loc: Adirondacks
 
Rongnongno wrote:
Layers are not about undoing. Undoing an edit is Ctrl-Z as you can undo what you did inside a layer.

If you use layer as an 'undo' you are missing the point.

F12 returns to the original state of an image, something drastic I will never consider as 'undo'. Snapshot is way more powerful and flexible.


I think they meant adjustment layers... which are indeed part of a non-destructive workflow which is perfectly reversible & re-adjustable. And as stated elsewhere, applying filters via smart objects. I would never depend on undo's. as they only go back as far as you have set the program, and you have memory for... and you could go through them in a number of typical clicks..never getting back to where you need to go. However for short strings of Undo's I certainly use them.

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