Office 2011 for Mac will NOT work because it’s only 32-bit. Also support for Office 2011 ended in October 2017 so it’s really past time for a switch to either Office 365 or Office 2019 for Mac. See MacOS Catalina update tips and Office compatibility. Microsoft Office compatibility. As we warned back in June, older Office for Mac will not work with MacOS Catalina. If you have Office 2011 for Mac or before, do NOT update to Catalina because Office will stop working. There’s no workaround for this. As of the December 2020 (build 16.44) update for Microsoft 365 for Mac or Office 2019 for Mac, macOS 10.14 Mojave or later is required to receive updates to Word, Excel, PowerPoint, Outlook and OneNote. Office for Mac 2011. Word, Excel, PowerPoint, Outlook and Lync have not been tested on macOS 10.13 High Sierra, and no formal support for this configuration will be provided. Since October 10, 2017, Office for Mac 2011. is no longer supported. This means there will be no new security updates, non-security updates, free or paid assisted support. Mac OS Catalina or Big Sur? If you did, those operating systems do not allow Office 2011 to be installed or to run. Thanks for your answer and kindness. I commonly set the system update to be automatic, so does it means that the current or latest version of Mac OS does not support this version of Microsoft office anymore?
QuickTime 7 is 32 bit software and will never be updated. It's dead. Don't know which version of Toast you're referring to.
Office 2016 does work. That it doesn't for you suggests you've never applied any updates. It was originally 32 bit software and MS updated the entire thing to 64 bit quite a while ago.
Download the 16.16.14 update and install it.
It's been two years since Apple started making it known 32 bit software was going to be left behind. With the introduction of Mojave, they came right out said 32 bit software would not run in the next major release of macOS. No OS name at the time, but that is now of course Catalina.
Office For Mac Catalina Compatibility
Microsoft Office Mac
Oct 11, 2019 12:57 PM