Can I safely delete old libraries?

I notice that I have a LOT of old Libraries, e.g. ITUNES Library 2005-9-12, etc. The older ones run from 3,000k+ to the newest at about 8,700k.
Are these just old backups? Can I get rid of the earlier ones to free up disk space (I assume I'd keep the latest one).
I don't know what these are and just want to make sure I know what I'm deleting!
Thanks!

You could always move them from where they are to the desktop, and then launch iTunes.
If everything seems ok then they aren't needed.
Or is that too simple? No, it's a Mac
Regards,
Colin R.

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Can I safely delete old Time Machine back ups?

I use a 1TB external drive for Time Machine but it's nearly full. There are 43 different back ups on the drive, can I safely delete all but the most recent one or two? I realize I would not be able to restore my system from a deleted back up but I can't think of a reson I'd want to. Would greatly appreciate any insight on this, thanks!
p.s. Why does Time Machine keep so many back ups in the first place? I can't find anything in preferences to limit the number of stored back ups. Is there a way to limit the number?

Hello:
I use a 1TB external drive for Time Machine but it's nearly full. There are 43 different back ups on the drive, can I safely delete all but the most recent one or two? I realize I would not be able to restore my system from a deleted back up but I can't think of a reson I'd want to.
It makes no sense to delete old backups. Time Machine automatically deletes backups if it needs space. If you start deleting backups, you will do it ONE at a time.
Why does Time Machine keep so many back ups in the first place?
It is designed that way.
Is there a way to limit the number?
No.
Why are you having a problem with the design of Time Machine? Do you need, for some reason, extra space on the external drive? If that is the case, you should have partitioned the external.
Barry

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I have a 9-month-old MacBook Pro (10.7.3). I also have, among others, every version of iTunes since 10.4. Can I safely delete the outdated versions in System Preferences?

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Thanks in advance for any advice on the following. I am trying to free up some space on my Macbook Pro hard drive. In the Pictures/ iPhoto Library folder, I seem to have a lot of duplicates. At this folder level, I have series of sub folders with years 2002-2006 listed, and there is also a folder titled data, which also has subfolders 2002-2006. Can I safely delete one set of folders without losing my pictures?
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In a word, NONE. Those are all necessary item for the operation of the library. Those files in the Originals folder are obviously the originals. Those in the Data folder are the thumbnails iPhoto uses to display in the main library window. The Modified files are those that you've editied, rotated, etc. To do any moving, renaming or editing of files directly from the folder is tantamount to committing the cardinal sin of iPhoto: Don't tamper with files in the iPhoto Library folder from the Finder.
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Do you Twango?
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dj_paige wrote:
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Hi
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How Can I Safely Delete a RoboHelp 9 Project?

I am learning/evaluating RoboHelp 9 using IconLogic's "Essentials of Adobe RoboHelp 9 HTML". This book has excellent step-by-step lessons and contains student data files to make it easier to learn. The student lessons were downloaded and unzipped into a folder called "RoboHelp9Data". Beneath this folder is a folder named "RoboHelpProjects". (Note there is no space in the folder name.) At some point, I inadvertently created a folder called "RoboHelp Projects". (Note the space in the folder name.) As lessons progressed, I learned (1.) it is best not to have pathnames with spaces as this can cause problems on some operating systems; and (2.) you should not delete any RoboHelp files via Windows Explorer. Rather, you should always delete them from within the RoboHelp application itself. (Let it be duly noted that the admonition in Item 2 came with no instructions on how to do that which it admonished!)
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Kevin is suggesting that you store the projects you create while working through his book in a folder called RoboHelpProjects. It is not where you have to store every project you ever create.That is for the purposes of his book.
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See www.grainge.org for RoboHelp and Authoring tips
@petergrainge

Can I safely delete old libraries?

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