How do I turn off the end of support banner in office 2010 permanently? (Office 2010, Windows)

I have changed the date in the registry to remove the check till 2025.

Windows 10 updated overnight and on the first use of Office 2010 after this the banner reappeared in Word and Excel.  Second use of both - no banner, registry still has the 2025 date.

Glad that it isn't every time so thanks to contributors to this thread.

Presumably retrieving the message contributes to a slow startup of Office products.

The frustration felt here may have come from the fact that replies not only posted a bunch of links, but that many of those links told only about all of the disadvantages of ignoring the nag ribbon and of not installing the new Office. When respondents do that, they sound more like they are trying to sell products and not like they are here to help.

Office 2010 is totally out of support. Any support you think you paid for has expired.

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Take a look at the license terms, MS only provides installation support for the first 30 days. If you want longer support now, you have to pay the dane gelt and get a pay-forever 365 subscription.  I don't make the rules, I just describe them for you.

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Why isn't there an option to control the banner?

Because MS doesn't want it turned off!

They want to annoy people. They want to "encourage" everyone to jump off the 365 cash cow cliff.

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I don't think anything about whether you will buy a new license. It is entirely your choice. I don't work for MS, I don't benefit from you buying a new copy.  Yes, I agree the "new & (dis)improved" license terms for one-time payment licenses suck.

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If you want to talk to a paid MS Support person, phone or online chat MS Support. Good luck with that.

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Off topic, sorta ...

The strength of a monopoly can be guessed at by calling customer support

Then there is this generic article that I came across. It seems to sum up the situation quite well:

http://blogs.harvard.edu/bugeja/2018/09/16/the-strength-of-a-monopoly-can-be-guessed-at-by-the-quality-of-its-customer-support/

Actually, this time I didn't think the comment was aimed at me, it was a general suggestion.  Most of us are unpaid volunteers. If someone peeves us, we just ignore them from there on.

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On the other hand, I am one of "those" people. Sometimes I do ask questions. Sometimes I do provide links I think may help.

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Trouble shooting is an exercise in pattern matching. If you recognize the symptoms described, the "pattern", you may be able suggest a specific fix.  Sometimes, even if you recognize the problem, there is more than one possible fix.  And sometimes, if you only vaguely recognize the problem.  If we were sitting at the problem computer we would go through various trouble shooting steps to try to identify the problem. Since we can't do "hands on", we have to ask questions.

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The solution to the problem should be a registry hack. That is how Windows normally handles this sort of thing. The trick is finding the specific registry key, and value required. And MS can be switching up the key as people turn off the current one (thank you Windows "telemetry" (aka Spyware).

You see, this is the problem I have with this whole situation... There are 2,925 views for this particular question, so clearly a LOT of us have the same annoying problem that we can't fix ourselves. Despite some of the smart people on here tinkering with the Registry, which might I add, not everyone is skilled enough or fearless enough to use. I can quite easily follow directions to get in there, but I know if I do something wrong, I could screw up 10 times worse - I don't want to risk that thanks!

And for anyone volunteering on here, thank you for your time, but I'm not on here for volunteers' advice. I PAY for services. I paid for MS Office, I pay for Xbox Live. I should be responded to by a Microsoft Support agent who is paid to do the job and they should know and answer these questions! There are so many questions I have seen (and asked myself) that have gone unanswered or have been given the run-around with links that are irrelevant or invalid. It wastes everybody's time!

Why there isn't simply a selection box in the 'Options' settings is beyond me. I thought after October 13, 2020 we wouldn't be getting the messages anymore... Instead of "Support is ending" now we get "Support has ended". Well dah! And as Roshanlal said, we paid for a 2010 3x PC pack (we actually bought 2 as we had 6 devices at the time). You think we're going to pay $199.00AUD for ONE COPY? You're laughing!

I have read through this entire thread.  I'm a little confused on which registry change is the final solution.

Would anyone who has found a solution please point me back to the post that provides it. 

It's just typical of MS to add an annoying banner to a product we have purchased.  I really appreciate the work of the participants in this thread and hope a permanent solution will be found.

Go to the top of Page 2 and see the suggestion to edit the "TimeToNextcall".  Change the year date to 2025 (leave the rest of the time as-is, just change 2020 to 2025).  That is all you have to do.  You will not be hassled again until 2025... or you can change it to 2050 if you like but your computer will not last that long  :-)

If you are having trouble finding targetedmessagingservice in the registry editor, use the Find... command under the Edit drop down menu and type in targetedmessagingservice.