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Outlook Classic Locked Offline
Question, where did you buy your license from? It could be a pirated version and those tend to behave that way when it's not legitimate. I'm not saying it is, but that's typical...pirated versions give a lot of weird issues.
If you did buy it from Microsoft direct, then I would do a full uninstall of 2016, restart pc and then install 2021 again. If that fails, then something else is wrong. Product support for 2021 has some cost behind it from Microsoft, so you might be better off buying 365 subscription.
Thanks for your reply Lisa. I bought through a company called Cheap Training and the app was downloaded via a link starting 'https://officecdn.microsoft.com/...' The software was activated by phone, through a customer ID comprising a series of 5-number groups. There was no option for a re-installation. I do have installation disks for MS Office 2010, left over from a previous and now scrapped laptop.
- LisaHendricksonAug 04, 2025Iron Contributor
Cheap Training is most likely the problem then, old license from an enterprise version or something else happened. I would upgrade to 365 subscription. Then it should work for you. Office 2010 is in outdated and most likely will not install and if it does, you're going back in time 16 years. Not many email accounts will work with 2010, security upgrades and whatnot.