Some Montreal hospitals say the global Microsoft outage is affecting some of their services and causing delays. The Centre hospitalier de l’Université de Montréal (CHUM) said the major outage is impacting the processing of appointment requests and “certain internal operations” across the network. The outage is affecting users of certain Microsoft products, such as Outlook and Teams, in Canada and the United States. The software company said on social media it is investigating the cause of the blackout. As a result, CHUM patients are being advised that processing appointment requests is taking longer than usual. They are being urged to call the appointment centre directly by phone at 514-890-8051. “Please note that some of our operations and services may be temporarily delayed. Our teams are doing everything possible to minimize the impact of this situation on the care and services we provide,” reads a message on the CHUM website. Their phone lines remain operational. The Jewish General Hospital said it is also impacted by the online disruption. “Within the health care network, please note that there may be delays in some services and that emails sent during this outage may not be delivered or received. As a result, appointment confirmations may not be sent during this time,” the hospital said on its website. Other services affected The CHUM is not the only hospital network that is being affected. Unity Health Toronto issued a “Code Grey” as staff are struggling to send and receive emails during the outage. Via Rail also said on social media that passengers might not be able to receive messages about their trips. There were also reports of issues with Amazon Web Services and Gmail services on Thursday in Canada and the U.S. With files from CTV News’ Luca Caruso-Moro