Hello
I am Abdal and I would be glad to help you with your question.
You can't change your account type from work/school to personal. Once an account is created as a work/school account, it can't be changed.
However, you can still link your personal Microsoft account to your corporate Microsoft Learn profile. To do this, follow these steps:
Log in to Learn by using your work or school (AAD) account credentials. Navigate to the "settings" page within your Learn profile. In the Account management section, proceed to delete your existing personal account (MSA). Click on "Add account" and sign in using your personal account (MSA) associated with your Certification Profile. Log out of Microsoft Learn. Sign back into Microsoft Learn using your recently added personal account (MSA).
Your personal Microsoft account will now be linked to your corporate Microsoft Learn profile. Your learning achievements will now be visible in your personal Microsoft account.
You can also refer the below article for more information https://learn.microsoft.com/certifications/aligning-accounts-between-certification-profile-and-learn-profile
Here are some of the differences between work/school accounts and personal accounts:
Work/school accounts are managed by your organization, while personal accounts are managed by you. Work/school accounts have access to certain features and services that personal accounts don't, such as Microsoft Teams and Office 365. Personal accounts can be used for anything, while work/school accounts are typically used for work-related tasks.
I hope this information helps.
Regards,
Abdal
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