Access is part of 365 Family, I have it, 365.
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In theory, you can install 365 "over" 2019, but don't. In the past it was doable. But, recently, we have seen that Office's decision to use the same version number 16.0 for Office 2016 / 2019 / 365 is causing problems identifying what is installed.
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So it is probably best to do a "simple" uninstall of 2019 before installing 365. It will (potentially) save confusion and angst in the future.
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Your 2019 license is "permanent", so if you decide to jump off the 365 milk train you would be able to re-install it in the future.
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Even I admit there are a few "advantages" to 365:
- you get the latest bells and whistles, aka "new online features" like dictate that are limited to 365
- you get new 365 commands only, such as "Dynamic Arrays" in Excel
- if you need to install on more than one computer
- if you can share Family with one or more people
- you are mobile and need more than the 5GB of free OneDrive space to access current files online (a little more secure than using a thumbdrive)
Disadvantage:
- You already recognize the long term cost.
- if you 365 only commands, like Dynamic arrays or XLookUp() (in Excel) then you create files that don't work on other versions
if you are not using on multiple machines or sharing 365 Family, then it the not so long term it becomes more expensive than one-time payment (the math depends on your specific situation). But, you've already paid for 2019, so unless you NEED the other "advantages"
of 365, it becomes a net loss until 2019 reaches EOL in 2025.
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I've seen mention of the costco offer before. It is a really good deal, you are not likely to see better. If you are going to be sharing 365 Family then take FULL advantage of it:
- Buy at least 4 cards, You can stack up to 5 years of subscriptions in advance (ie 4*15=60)
- buy a few more if you have the money! there is no stated expire day on product keys, check these cards to confirm that).
- check to see if you can get the "free extra month" for turning on auto renew
- talk around to your extended family and find 5 people who would like to share the cost of the license with you (or "gift" the shares ... replacing a $70/yr Person subscription is not a cheap gift)
There is a second offer you can try to take advantage of. When you are subscribing, BEFORE submitting your product key, TURN OFF the auto renew feature (it is on by default). If you are lucky, this will trigger an "offer" of an extra "free" month if you
turn it on. Turn it On, submit your key to get the extra month (I believe it shows up immediately in your expire date). Turn it off, start the process to submit the next key. If you are doing this, you can only submit 3 keys initially. Then you have to
wait 4 months before you can submit the 4th one to get the full 5 years 4 months you would be "entitled" to.
If you do buy more than 4 costco keys, keep the extras in a safe place. And keep your userid and password in your will. If you get hit by the proverbial bus, you want your family to be able to continue using the subscription.