Security News > 2023 > December > Microsoft: Outlook email sending issues for users with lots of folders

Microsoft has acknowledged a new issue affecting Outlook for Microsoft 365 users and causing email-sending problems for those with too many nested folders.
While Microsoft is currently investigating this newly acknowledged issue, it also provided affected customers with some tips to workaround the email sending problems.
This week, Microsoft also fixed a bug causing Outlook Desktop clients to crash when sending emails from Outlook.com accounts.
Microsoft fixes Outlook Desktop crashes when sending emails.
Microsoft shares temp fix for Outlook crashes when sending emails.
Microsoft fixes Outlook Desktop bug causing slow saving issues.
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