[sage-support] Re: Migration of notebooks created in a old version to a new version

I downloaded the "App" version of the tarball and tried it. This version has the SageMath-8.0 logo. This automatically upgraded my previous installation and ported all the notebooks. My problem seems to have been solved. Thanks. On Sunday, September 10, 2017 at 9:23:33 PM UTC+5:

[sage-support] Migration of notebooks created in a old version to a new version

I used to run Sage in a old version of Mac OS X. I created some notebooks, which I want to access again. Unfortunately, the old version of Sage does not run on Sierra, which my mac is now upgraded to. I reinstalled Sage 8, using *sage-8.0-OSX_10.12.6-x86_64.dmg*

[sage-support] Re: Sage 7.2 not starting up under Mac OS X ver. 10.12

I used to run Sage in a old version of Mac OS X, which I have now upgraded to Sierra. I reinstalled Sage 8, which seems to work fine. On opening the new Sage, on the browser, I see links to the applications/notebooks that I previously generated. Unfortunately, these links do not work. I get