25-03-2021

The name of your macOS user account and the name of your home folder must both be the same. Changing these names does not change or reset the password of your user account.

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Because doing this incorrectly could damage your account and prevent you from logging in, you should back up your important data before proceeding.

First rename the home folder

  1. Log out of the account you're renaming, then log in to a different administrator account. (If you don't have another administrator account, you can create one in Users & Groups preferences.)
  2. Open the Users folder on the startup disk. It contains the home folder for each user. To get there, you can choose Go > Go to Folder from the menu bar, then enter /Users.
  3. Rename the user's home folder without using any spaces in the new name. You'll be prompted to enter the administrator name and password that you used to log in. If you're using file sharing to share the home folder, you won't be able to rename it until you stop sharing the folder.

On your Mac, choose Apple menu System Preferences, then click Language & Region. Open Language & Region preferences for me. Do one of the following: Choose a language for an app: Click the Add button, choose an app and a language from the pop-up menus, then click Add. Change the language for an app in the list: Select the app, then choose a new language from the pop-up menu. Explore the world of Mac. Check out MacBook Pro, iMac Pro, MacBook Air, iMac, and more. Visit the Apple site to learn, buy, and get support.

Then rename the account

While still logged out of the account you're renaming, follow these additional steps:

  1. Choose Apple () menu > System Preferences, then click Users & Groups.
  2. Click , then enter the administrator name and password that you used to log in.
  3. From the list of users on the left, Control-click the user you're renaming, then choose Advanced Options.
  4. Change the “Account name” field to match the new name of the home folder. It should have no spaces.
  5. The account name also appears in the “Home directory” field, after /Users/. Change that account name to match the new name of the home folder.
  6. If you want to change the full name associated with your account, update the ”Full name” field as well. It can be any name, and you can use either the full name or the account name to log in to your Mac or make changes that require your name and password.
  7. Click OK, then restart your Mac.
  8. Log in to the renamed account, then verify that your old files and folders are visible and the account is working as expected.

There is a registry setting named FlipFlopWheel that does exactly this and can be found after typing regedit in Run and pressing enter which will launch Registry Editor.

Then search for keyword FlipFlopWheel.


HKEY_LOCAL_MACHINESYSTEMCurrentControlSetEnumHIDVID_???VID_???Device Parameters.


The search will find multiple mouse entries. The default value for FlipFlopWheel will be 0 and needs to change to 1.

After the change reboot in order to take effect.


To get the VID_??? number you need to:

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Go to the Control Panel and then go to Mouse, click the Hardware tab, then click Properties.

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In HID-compliant mouse Properties window click the Details tab and select the Device Instance Path property.

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The registry path is in there!


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Then to make scrolling smoother go to the Control Panel and then go to Mouse, click the Wheel tab, then change 'the following number of lines at a time' to 1.