Error was when users did a mass addition, they used the wrong account code.

Summary: Error was when users did a mass addition, they used the wrong account code. They do not want to reactivate the said account. What workaround can be done?

1) Will they still be able to change the account code of those mass added?

2) Retired assets - Is there a way to change the account code of the retired assets

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):