Hi there, Can you help me - how to attach a receipt to an expense AFTER the period has been locked, without needing to unlock the period or give up the closing date?

Welcome to the Community, info1835!

Let me guide you on how to add an attachment to an expense in QuickBooks Online. To add attachments to the expense:

1. Click on the Expense tab.
2. Locate the transaction, and open them.
3. Go to the Attachment section.
4. Browse and select the attachment.
5. Click Open.
6. Click on Save.

If you wish to learn more about attachments in QuickBooks Online, you can check this link Add or delete attachments in QuickBooks Online.

Feel free to reply to this thread if you have more questions.