Apple Intelligence now features Image Playground, Genmoji, Writing Tools enhancements, seamless support for ChatGPT, and visual intelligence.

Apple Intelligence has also begun language expansion with localized English support for Australia, Canada, Ireland, New Zealand, South Africa, and the U.K. Learn more >

You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Does migration assistant overwrite files on a new mac?

Hi there,


Today, one of my computer's just died (old 2010 imac) and I have its files stored on a time capsule.

If I want to transfer its files (600gb) on a mac that I am already using, using migration assistant + time capsule, will it overwrite my entire computer (causing me to lose what I have), or will it just add on to what I have?


Thanks!

iMac Line (2012 and Later)

Posted on Apr 25, 2021 11:44 AM

Reply
Question marked as Top-ranking reply

Posted on Apr 25, 2021 11:51 AM

When you buy a new Mac the easiest, quickest and most reliable method is to simply connect the old Mac's Time Machine External Hard Disk to the new Mac using a USB cable before you turn on the new Mac. When you start the new Mac for the first time it will startup Setup Assistant (SA), SA will get to a point where it asks if you are migrating from another computer, select Yes  and follow the on-screen prompts and it's done! It is THAT simple.

 

If you have already done SA on the new computer then simply connect the Time Machine External Hard Disk using a USB cable and launch Migration Assistant (MA) which is located in Applications - Utilities - MA. Then follow the on-screen prompts. 

 

The ONLY difference between MA and SA is MA will create a new user account that you need to log into.

 

Both SA and MA migrate applications (not 32 bit apps) , data files, settings, it does not migrate Mac OS itself. Some professional apps such as Adobe and Microsoft apps may require re-installing their apps as they will not allow them to be migrated. As long as you kept the security keys for installing their apps, it is not a big deal. Whatever you do NEVER EVER use Wi-Fi to migrate your data.


SA & MA does not overwrite any files due the migration.

5 replies
Question marked as Top-ranking reply

Apr 25, 2021 11:51 AM in response to sev24

When you buy a new Mac the easiest, quickest and most reliable method is to simply connect the old Mac's Time Machine External Hard Disk to the new Mac using a USB cable before you turn on the new Mac. When you start the new Mac for the first time it will startup Setup Assistant (SA), SA will get to a point where it asks if you are migrating from another computer, select Yes  and follow the on-screen prompts and it's done! It is THAT simple.

 

If you have already done SA on the new computer then simply connect the Time Machine External Hard Disk using a USB cable and launch Migration Assistant (MA) which is located in Applications - Utilities - MA. Then follow the on-screen prompts. 

 

The ONLY difference between MA and SA is MA will create a new user account that you need to log into.

 

Both SA and MA migrate applications (not 32 bit apps) , data files, settings, it does not migrate Mac OS itself. Some professional apps such as Adobe and Microsoft apps may require re-installing their apps as they will not allow them to be migrated. As long as you kept the security keys for installing their apps, it is not a big deal. Whatever you do NEVER EVER use Wi-Fi to migrate your data.


SA & MA does not overwrite any files due the migration.

Does migration assistant overwrite files on a new mac?

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.