Hi Aloha D,
Thank you for reaching out to us. I am Blessing, an independent advisor here and a Microsoft user like you.
You can transfer your backup Outlook emails to OneDrive.
1.Select File > Open & Export > Import/Export. Select Export to a file, and then select Next.
2. Select Outlook Data File (.pst), and select Next. Select the mail folder you want to back up and select Next.
3. Choose a location and name for your backup file, and then select Finish.
4. If you want to ensure no one has access to your files, enter and confirm a password, and then select OK.
https://support.microsoft.com/office/e5845b0b-1aeb-424f-924c-aa1c33b18833
Then, go to the OneDrive website www.onedrive.com and sign in to your Microsoft OneDrive account.
On the top-panel of the account, choose the "Upload" option and select the email back up which you want from the local computer and add it to OneDrive.
Hope this helps!
