742 Stack Overflow for Teams Reviews
It has the benefits of SO (suitable format, excellent interface), but it has all of the people most likely to be able to help you with your unique snowflake problems. Review collected by and hosted on G2.com.
The default email options are a bit noisy. One of our questions is about how to quiet down emails from SO Teams! Review collected by and hosted on G2.com.

The Q&A format lends itself well to how teams learn and disseminate knowledge. The Slack integration is particularly useful and embeds nicely into a main communication hub, making it easy to refer people there. Review collected by and hosted on G2.com.
More challenging questions are naturally harder to answer and it can be difficult to get the right person to have a look and reply. The tagging functionality doesn't really solve this problem that well. Review collected by and hosted on G2.com.
The most significant upside of using SO for Teams over posting questions in other tools (like Slack) is the ability to tag them, watch those tags, and later search/filter by those tags. It makes it easy to find questions later when keywords or technical terms may not be obvious. Review collected by and hosted on G2.com.
Getting teammates to use SO for Teams when they're more comfortable with their current tools is proving difficult. Many who don't participate on StackOverflow find the format confusing and would rather not use/learn another product. Review collected by and hosted on G2.com.

The same benefits we get from public SO can be applied to SO for teams Review collected by and hosted on G2.com.
The search is not amazing. Sometimes searching for an answer doesn't bring relevant results. Review collected by and hosted on G2.com.

Easy to use interface, Tag/Label-based questions, Suggests possible similar Q/A's to prevent repetition Review collected by and hosted on G2.com.
adoption of the tool is a little slow for small teams Review collected by and hosted on G2.com.
Seamless integration with Teams and flexibility Review collected by and hosted on G2.com.
It takes a while to get used to the flow of how to work with it on Teams Review collected by and hosted on G2.com.
Standard solution, I can check internal and other external teams and developers solutions in one place. Review collected by and hosted on G2.com.
Overview is not good enough (having a global view to check questions by tags or see a cloud tag view would be nice)
Also having a company organized book-shelve style page in order to have global overviews. Review collected by and hosted on G2.com.
I like to have the friendly StackOverflow site as internal wiki. Review collected by and hosted on G2.com.
I would like to have Confluence connected to StackOverflow or maybe an alternative to it. Review collected by and hosted on G2.com.
The way to create, read and find articles is easy.
The possibility to write an article with or without markdown is really. It allows moving docs from .md files to Stackoverflow easily.
"Collections" is a nice feature to group articles depending on the theme or the project.
"Types" of articles is also nice to completely describe what kind of article it is. Review collected by and hosted on G2.com.
In the beginning, it was a bit difficult to find where I could add an article to a Collection, maybe add it directly on the "Create article" page? Review collected by and hosted on G2.com.
It's StackOverflow, but specific to my company. Can ask company-specific tech questions Review collected by and hosted on G2.com.
There's a lot of maintenance involved in maintaining the questions asked. As it's community-driven, the community needs to be involved in keeping it well maintained. If the community doesn't actively participate, then it can become messy and unorganised Review collected by and hosted on G2.com.