- Knowledge Base
- Information Technology
- Messaging & Collaboration
- Microsoft 365
- Exchange Online (E-mail & Calendar)
To combat spam and mass-mailing worms or viruses, Microsoft imposes the following limits in Office 365 to messages, senders, or recipients.
- Knowledge Base
- Information Technology
- Messaging & Collaboration
- Microsoft 365
- Exchange Online (E-mail & Calendar)
This article provides a workaround to the limit of accounts that can be added to Outlook. By default, Outlook 2010 and Outlook 2013 allow up to 10 Exchange accounts to be configured in a single mail profile. If you for some reason need to add more than 10 Exchange accounts to your mail profile, you can extend this limit to via a Windows Registry tweak.