how do I get detail of specific categories

Unknown

I had 2005 version. Now 2018. How to I "open" category to see all entries

NotACPA

Have you tried TOOLS, Category List?  Or it's CTRL-C shortcut?

Then click on the Usage number to see all entries. 

OR, just run an "Easy Answer" report for that category.

UKR

Are you new to this version of Quicken for Windows?

Welcome.

Please read this for more information, some videos and a list of resources to
help familiarize yourself with Quicken:

https://www.quicken.com/quicken-tips

https://www.quicken.com/complete-guide-getting-started-quicken-2018-windows

 

Help! (Quicken for Windows)

If you're unsure on
how to do something, you can find more information about a specific task,
function, feature or report in Quicken Help.

To access Quicken Help simply press the F1 key from anywhere in Quicken (or
click Help in the Menu bar, then click Quicken Help).

Use the Contents tab to see the available books in Quicken Help. Click on one
of the books to open it. Click on a chapter to drill down to more
details.

Or use the Search tab to search using keywords, e.g., "buy
security".

Some Quicken view screens may have a blue (or yellow) button with a question
mark. Click it to get view - specific help.

Also please note: