Hi @Sabarish Natarajan ,
Based on my research, I haven't found any time limits in the conditions of how to recall message successfully.
For your questions, I tried to perform some relevant tests with 2 Microsoft 365 account on Outlook to confirm it.
- find earlier messages 9 days ago in the recipient's inbox
- due to it has been read and the recall function requires unread message, I mark the message as unread
- check it could meet other conditions to recall successfully
- log in to sender's mailbox, recall the message in sent folder
- it could be recalled normally in this case
Due to we could recall an earlier message normally, I think the sending time of message may not affect if the message could be recalled, and the key to a successful recall is to meet those restrictions in the above article.
Hope that would be helpful to you.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.