Security News > 2021 > April > Microsoft fixes Outlook 'Cannot send this item' email bug
Microsoft has fixed an Outlook bug that blocked users from forwarding or replying to emails containing embedded hyperlinks pointing to long URLs.
Outlook for PC users experiencing this issue are seeing "Cannot send this item" errors according to customers' reports on Microsoft's community website.
Microsoft has fixed the known issue in Outlook for PC build 13913.
Microsoft also provides a workaround for users affected by this bug until the fix will roll out.
Microsoft is also currently investigating issues where the follow-up flag status is displayed in sent messages incorrectly and error messages being displayed when sharing a calendar in Microsoft 365.
Last year, Redmond addressed a major issue affecting Microsoft Outlook worldwide with the application immediately crashing on launch with 0xc0000005 errors displayed in the Windows Event Viewer.
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