Last Updated: April 8, 2022
ISSUE
When a user responds to any email with the Reply All option or by accepting a meeting invite, they receive the error message: “Not implemented”.
This issue is scoped to users on ARM chip architecture.
STATUS: INVESTIGATING/WORKAROUND
The Outlook Team is investigating this issue for a fix.
To work around this issue, uninstall 32-Bit Office and install 64-Bit Office.
To confirm the bitness of Office from Outlook:
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Select File, then Office Account.
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Select About Outlook and at the top of the dialog.
For more information, see:
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