Time Machine is Apple's built-in backup software. Time Machine was first introduced on OS 10.5 Leopard.

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How / is it possible to compare files on your hard drive with those in your time machine backup?

I have snow leopard and have been using time machine to regularly backup files. How / is it possible to compare files on your hard drive with those in your time machine backup? I know you can ...
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How can I use an existing Time Machine backup with my new computer?

I've just replaced my existing MacBook Pro with a new MacBook Air. I've got 18 months of Time Machine backups from the old computer. I'd like to configure my new computer to use the old computer's ...
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Should time machine backups be encrypted

I am new to the Mac and was setting up my Time Machine. However, it seems Time Machine also backs up information in the keychain. I was wondering if that means I should use an encrypted disk to store ...
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How do local TimeMachine backups work exactly?

Since Mac OS X 10.7 (Lion) TimeMachine performs local backups to /.MobileBackups if enabled (tmutil enableLocal, default enabled on portable macs). The different types of backups are color encoded in ...
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How big should my Time Machine backup drive be?

My 13" MacBook Pro has 500GB internal hard drive space, and I bought a 1TB external HDD to use as my Time Machine backup. I only read from many articles that the backup should be about 2 to 3 times ...
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Backing up a Boot Camp partition

I see in the Time Machine options that my Boot Camp partition is excluded. I haven't even tried to remove it from the list of exceptions since I have read that Time Machine will not work with NTFS ...
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huge Chrome Time Machine backups

My 1TB Time Machine drive just filled up, apparently due a bug in Chrome. Since this issue has been open for a year and a half, I don't expect that Google will fix it any time soon. Can anyone offer ...
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Is AFP (specifically Time Machine) encrypted on the wire?

I've been hunting for the answer to this, but I have not found it. When I back up my laptop using Time Machine to a remote Time Machine server (Time Capsule, or Mac Mini with an external drive), is ...
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How to delete a folder, even in every backups of Time Machine?

I just noticed that a folder containing personal documents was still on my main disk. I copied to my personal disk (password protected), but I want to also delete the copies which are stored in the ...
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How do I stop my Mac from attempting Time Machine Backups?

I have a 2005 PowerBook running 10.5.8 that, in its previous life, was my personal, full time machine that I used all the way through graduate school. It has been relegated to very light duty in the ...
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Is there a limit on the number of Macs that can use a single 2TB Time Capsule?

I am looking at buying a few of the 2TB Time Capsules for our office, where we have about 20 unibody MacBook Pros with 128GB SSDs. Is there a limit on the number of Macs that a single 2TB Time ...
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Prompt When Ejecting Time Machine Drive

Whenever I eject the external drive that I use for Time Machine, I get this prompt: However, in actual fact, this particular drive has got only ONE (1) partition, so it's rather annoying that I ...
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Does Time Machine Copy Renamed Files?

Okay - so I have a relatively simple question but can't find a clear answer. Say for instance I have a large video file in FolderA named something.avi. Time Machine then makes a pass and backs this ...
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Can't restore to backups after removing disk in Time Machine

I've been using a WD 2TB HD for the last two months to handle my Time Machine backups for my Macbook Air. Yesterday, I wanted to set it up to handle backups through the network. In the Time Machine ...
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Where does System Preferences store the name of the Time Machine Destination

I am trying to create a script to determine the destination of time machine on a number of computers I manage. It shows very clearly via Time Machine Settings in System Prefs. I need to be able to ...
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Why is mds using so much Real Memory?

I notice that mds is almost always on top for use of Real Memory. I wouldn't mind if this wouldn't be also the case when Free Memory runs out. Usually mds uses over 600MB on a system with 4GB (I ...
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Verify Time Machine Encryption from the Command-Line?

Is it possible to verify whether a given Time Machine volume (for example, returned by tmutil machinedirectory) has encryption turned on? This is for regulatory compliance, so it needs to be fully ...
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Finder too optimistic about free space?

Below is a storage overview from "About this Mac" on Lion, running on a Macbook Air. It says: backups 71.07 GB. No data is in the "Other" area, which seems a bit weird, because I have at least 20 GB ...
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Missing Time Machine Files caused by FSEvents Failure?

I recently did a clean install/upgrade to Mac OS 10.8.2. I did a final update of my ongoing Time Machine Backup and verified Disk Integrity. After reinstalling and restoring my files, I have learned ...
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Cannot “Enter Time Machine” from Mountain Lion

Upgraded to Mountain Lion yesterday. Time Machine backups continue to run without any reported errors. (Backups are to a HD shared by a Lion Server on the network). Problem is When I choose Enter ...
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Alternative backup solution for a mac?

I know that we can easily use time machine. However, i wonder if there exist any other way to backup the data on my macbook? Since I do a lot of modification to the system and sometimes make it has ...
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How do I encypt Time Machine with Mac OS X Lion?

I am thinking about upgrading to Mac OS X 10.7 Lion, because it offers full disk encryption. However, if I use Time Machine with on an external hard drive, will the Time Machine backups be encrypted ...
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Can I access TimeMachine data from a machine other than the one that was being backed up?

I have an iMac with a dead internal drive. And I have it's TimeMachine drive. I'd like to know that the TimeMachine-based data is safe and sound so I'd like to restore it to my MBPro. But not over top ...
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Repair Time Machine sparsebundle that will no longer mount

I messed up my Time Machine backup in some way. I'm no longer able to mount the sparsebundle file as I get an error stating that there are no mountable filesystems. I used the hdiutil command to ...
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Time Capsule and multiple Macs

Does the Time Capule support Time Machine backups from multiple macs out of the box?
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Warn if a Time Machine backup is still in progress before shutting down or sleeping a Mac

Before I shut down or sleep my Mac, I want to be warned if a Time Machine backup is still in progress. Is there such a thing? Or at least something that makes it very obvious that a backup is in ...
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Using Time Machine with Virtualization (Parallels, VirtualBox, VMWare, etc…)

Since a single small change to a VM file should (I think) cause the entire multi-gigabyte file to be backed up again, are there any ideas I can use to more effectively backup my machine? Assume that ...
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Restoring one system file from Time Machine backup

I have this file that I want to restore, that is a system file, normally stored on /tmp. If I open Finder, and select GO > GO TO FOLDER I type /tmp on the window and it opens /private/tmp (???? why ...
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What would I lose if I needed to reinstall from a Time Machine backup?

Is there a list somewhere of the areas of the hard drive that aren't backed up by Time Machine? And does reinstalling from Time Machine install everything from the backup or just parts of it? I like ...
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Making Time Machine Backups while Mac is in Sleep Mode

I'd like my Mac to be able to save a Time Machine backup even when I have it in sleep mode. Is there a way I can have my Mac wake up at a certain time automatically in order for Time Machine to run?
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Time Machine over SMB/CIFS share?

As far as I understand there's no way to make Time Machine with SMB/CIFS; you have to connect using AFP. Is that true ? Is there a way to make it work ? I'm using OS X Lion.
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How can I get Time Machine to back up the contents of a File Vault while logged in?

Disclaimer: this question and answer are targeted to the Snow Leopard implementation of FileVault where the user home folder is only encrypted in a bundle. Lion's implementation of FileVault doesn't ...
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Using crashplan to backup a time machine disk

So, crashplan themselves say it can't and shouldn't be done, because of hard links and how TM works... But can't it, really?! Isn't there any way around it? Reason I want to use CrashPlan is because ...
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How does the new “local snapshots” feature of Time Machine in Lion work?

Apple's advertising for Lion highlights a new "local snapshots" feature of Time Machine: OS X Lion lets you take the Time Machine experience with you when you’re away from your Time Capsule or ...
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Time Machine doesn't backup folders with same name as user

Let's say my OS X user's folder is called Attila and I have a folder with the same name in a folder, e.g. ~/Xcode/Attila/. Now, if I do a Time Machine backup, the ~/Xcode/Attila/ folder won't be ...
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Recovering iWork from backup

I recently changed my MBP 13" 2009 to the newer MBP 13" 2012. I decided not to recover from Time Machine and install everything manually as to make a clean start. Although I do not have my iWork ...
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Use a network Time Machine drive locally

I typically backup over a network to a networked hard drive on another machine. For some unknown reason, backups tend to get incredibly slow over the network (the first few backups work fine and ...
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10.7 FileVault & TimeMachine

I would like to know if turning on FileVault affects TimeMachine Backups; if yes how? (E.G. Do the backups become encrypted? etc.)
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Would reformatting my Mac and restoring the latest Time Machine backup be likely to improve its stability?

My MacBook Air used to be rock solid, but it has grown increasingly unstable over the past year. For example, this afternoon I can't switch to my other user account. I select the account from the fast ...
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How to preserve Time Machine backups and start over with a new one?

I make my Time Machine backups on an external hard drive. Recently I upgraded from Mountain Lion to Mavericks. Now I need the ability to freeze those old backups I've done with Mountain Lion in case I ...
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Can I use my Time Capsule with other OSes?

I have two Macs at home which use Time Machine to back up to a shared Time Capsule. Does anybody know of any tools or methods for other operating systems to perhaps make use of that back-up facility? ...
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Backup software like Time Machine and CrashPlan combined?

Is there a good backup software that combines Time Machine snapshot functionality on local level with CrashPlan remote backups as well? I am currently using both, but find both unsatisfactory. My ...
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Time Machine error creating the backup folder on a spacious hard drive

I have upgraded recently to Mavericks, and am setting up Time Machine on this system for the first time (it wasn't set up with the earlier OS, Mountain Lion.) Time Machine successfully backs up once ...
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Can I use Time Machine to restore to a smaller disk

I have used Time Machine to restore my MBP to a larger HDD with great success, but am about to purchase a smaller SSD for it. With the obvious caveat of not having more data than the SSD can hold, is ...
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Console reports “sandboxd deny mach-lookup” … Should I modify system.sb?

I'm getting two errors in the console at the same time TimeMachine is running and taking FOREVER to make any progress. 1/4/13 9:41:38.000 PM kernel[0]: Sandbox: sandboxd(5838) deny mach-lookup ...
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Is there a faster way to copy time machine files from one disk to another?

I'm trying to move my time machine backup files all under Backups.backupdb to another drive. I initiated a file copy overnight (b/c I saw that it took OSX forever to prepare for the copy...it ...
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Time machine backup/restore: “This user's data doesn't need to be transferred”

So, I had a MacBook Pro 15", Late 2011, that I've been using daily since I got it last October. I set up time machine and every day after work, I would bring my laptop home and plug it into my time ...
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External Disk Capacity for Time Machine

I have a 500 GB hard drive in my iMac, and I am planning to buy a new external hard drive to use for Time Machine. I don't know if Time Machine synchronizes, or something else. What size external ...
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Fastest way to delete all Timemachine Backups for a machine

What is the recommended way to get rid of a whole TimeMachine archive (aka Backups.backupdb)? Using Disk Utility to erase the whole disk is not an option. I moved everything to the Trash, but ...
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Time Machine External Drive

What factors are important when selecting an external hard drive for time machine backups?