- Sign in to the Office 365 portal (https://portal.office.com), and then click Outlook to open Outlook Web App.
- In Office 365, click Settings ( ), and then click Options.
- Click Settings, and then click Calendar.
- Under Automatic Processing, click to select the Automatically process requests and responses from external senders check box.
- Click Save.
The information and the solution in this document represent the current view of Microsoft Corporation on these issues as of the date of publication. This solution is available through Microsoft or through a third-party provider. Microsoft doesn't specifically recommend any third-party provider or third-party solution that this article might describe. There might also be other third-party providers or third-party solutions that this article doesn't describe. Because Microsoft must respond to changing market conditions, this information shouldn't be interpreted to be a commitment by Microsoft. Microsoft can't guarantee or endorse the accuracy of any information or of any solution that is presented by Microsoft or by any mentioned third-party provider.
Microsoft makes no warranties and excludes all representations, warranties, and conditions whether express, implied, or statutory. These include but aren't limited to representations, warranties, or conditions of title, non-infringement, satisfactory condition, merchantability, and fitness for a particular purpose, with regard to any service, solution, product, or any other materials or information. In no event will Microsoft be liable for any third-party solution that this article mentions.
Article ID: 2729553 - Last Review: 16 Dec 2016 - Revision: 1