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Unable to install Yesware for O365

Problem Installing O365 Web Access (sometimes called Web App)​

I am running into an error when downloading or attempting to install Yesware for O365 ***on web *access using either Mac or PC.

Solution​

Please double-check that:

  • Your mailbox is hosted by O365 and not a third-party provider (i.e. GoDaddy.com)
  • You are using a Chrome browser to access your Outlook on the web Problem Installing O365 Add-in for Outlook Desktop I am running into an error when downloading or attempting to install Yesware for O365 ***on Outlook desktop ***on either Mac or PC. Solution Please double-check that:
  • You are using the "Get Add-ins" button found in your Outlook desktop toolbar to install the add-in 
  • Your mailbox is hosted by O365 and not a third-party provider (i.e. GoDaddy.com) 
  • Your Microsoft Office suite, particularly Outlook, is up to date Many Microsoft issues are fixed by either re-downloading Microsoft Office and/or running an Office Repair. Step 1 - To reinstall Microsoft Office
  • Go to Programs and Features and find Microsoft Office
  • Right-click and select "Uninstall" Go to https://outlook.office365.com/owa/
  • Go to the Home page, select "Install Office Apps" and then select "Office 2016" Step 2 - Repair Microsoft Office
  • Open the Control Panel and click on "Uninstall a Program."
  • Find the version of Microsoft Office that is currently installed in the list of installed programs and right-click on it, then choose the Change option.  Wait for the pop-up to load, then choose the Repair option and click Continue. 
  • Wait for the repair installation to finish. This may take several minutes. Once it is complete, click Close.
  • This should prompt you to restart. Click Yes to restart now and complete the repair process.