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Confessions and Confusions of Ashok M A. Personal and Professional Blog.

Ashok Mannolu Arunachalam, FixOfficeJSOutlook web add-ins
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Fix: OSF.DDA.Error 9020 on Office.context.mailbox.item

I am recently working in and around Outlook Web App (OWA) integrations. It is going well other than the limitations of OfficeJS >_O

Sometimes, it is even painful to understand and make it work to do the job.

Understanding the OSF.DDA.Error 9020

This error is thrown as a general one from OWA. I could not figure out what was going on from Microsoft end.

Fix

For me, it was the Office.context.mailbox.item.saveAsync() statement. The item was not populated due to fast switching between items. Be mindful of your logic execution and do not go for quick dirty fix like I had to do it. >_<

There is no one fix for all here. Depends on the logic you have there. For me, the