Update ShareSimple file Microsoft 365 Admin Center
Update your ShareSimple manifest file from the Microsoft 365 Admin Center
Follow the instructions below to update the ShareSimple add-in from the Outlook of all users in a Tenant from a file or url.
i) Log in at https://www.office.com/ and go to the Microsoft 365 admin center by clicking Admin:
ii) Click Show all on the left navigation panel:

iii) Under Settings, click Integrated apps:

iii) Click Add-ins:

iii) Select ShareSimple from the services and add-ins list to edit it:

vi) Update ShareSimple:
