How to remove / manage message inbox in Magento 2

Learn how to manage inbox in Magento 2 is must-have because of the major importance of message. You may lose or later access many important information such as system updates, patches, new releases, scheduled maintenance, upcoming events, and more from Magento if you don’t know how to manage inbox in Magento 2.

Check your inbox pop-up frequently to receive notice of important system updates and news from Magento. Follow some useful guides for you:

To manage incoming messages:

• When the Incoming Messages box appears, do one of the following:
  • Click Read Details for more information.
  • Click the Close box to remove the popup and continue. A Latest Message notice also appears to the left, just below the header of your store. As with the popup box, you can Click Read Details for more information.

• To read your messages, click Go to messages inbox. The messages in your inbox are marked by severity, with the most recent at the top.

• After reading a message, do any of the following in the Actions column:
  • For more information, Click Read Details.
  • To keep the message, Click Mark As Read.
  • To delete the message from your inbox, Click Remove.

To apply an action to multiple messages:

• On the Admin sidebar, Click System. Then under Other Settings, choose Notifications.
• In your message inbox, do one of the following:
  • Mark the checkbox at the beginning of each message you want to manage.
  • Choose one of the group selection options above the list to select multiple messages.
• When the messages that you want to manage are selected, set Actions to one of the following:
  • Mark as Read
  • Remove
• Click Submit to complete the process.

To configure notifications:

• On the Admin sidebar, Click Stores. Then under Settings, choose Configuration.
• Scroll down, and in the panel on the left under Advanced, choose System.
• Expand the Notifications section, and do the following:
  • If your store Admin runs over a secure URL, set Use HTTPS to Get Feed to “Yes.”
  • Set Update Frequency to determine how often your inbox is updated. The interval can be from one to twenty-four hours.

• When complete, Click Save Config.

Ref: Magento 2 user guide