People have complained about this for years apparently and no policy maker seems to care or change anything. I saw you both on these forums for years now providing little useful aid to anyone about this.
My 2 Opera Stable folders are a combined size of 1.575 GB so that entire history must be in there. You know Google won't miss a chance to bury user data somewhere deep and harvest it.
Surveillance agencies in America are spending billions building massive warehouses in the middle of nowhere solely as storehouses for internet user data. Yet we are supposed to believe this 90 day history feature exists because someone cares about privacy. They may be deleting it on the user end, but you can be sure they are storing it evermore on their end.
The dull indifference of both of you only further convinces me you are participating agents in this dishonest design

I opened "History" with DBBrowser. The information is convoluted and displays no recognizable list of websites. At this point I simply want to collect Opera's browser history and transfer it to Firefox or other browser

Another site claims Recuva or EaseUS Data Recovery Wizard may be capable of retrieving history beyond 90 days. What do you think? I find it inconceivable this data would not be stored somewhere in Opera folders.

Also if the "History" file is opened using DBBrowser, will the file display a readable list of visited websites?

What is Chromium?? I should not be required to have some specialized knowledge to use Opera. I expect it to be designed intuitively and intelligently. I used Firefox more than 5 years and have every single website ever visited in the browse history. What reasoning justifies automatic browse history deletion?

Presumably Chromium relates to Google. We know Google is the archetype mass surveillance and data mining company. Anyone would then presume anything based on Google technology would retain information and not remove it

I have not manually deleted browsing history and want to retrieve all browse history since installing Opera about 9 months ago!
Apparently Opera browsing history stores in the "History" file located in the "Opera Stable" folder. What file type is this and how can its contents be viewed?

I just realized Opera deletes browsing history after 90 days? This is so unacceptable. The insensitivity and inconsideration of this browser's designers to not even notify the user of this feature. I want to know how to recover that history deleted without my knowledge or consent.
Other sites claim history is stored indefinitely. I cannot view history more than 90 days old