If I only had one email account, I would probably use webmail. My ISP (Cox) provides 10 emails addresses per account - each with separate webmail access. I have assigned 6 and I have 3 of those addresses I use and receive email to daily. I also have 3 gmail accounts I use daily . While the gmail accounts are web-based, I NEVER access them or my Cox accounts via my browser - except when necessary to configure them, or, in the case of the gmail accounts, to clear out all the false positives gmail inevitably puts in the spam folders.

Note gmail will auto-purge spam (and legitimate emails it thinks is spam) every 30 days.
To access each of those 6 email accounts individually via a separate browser page multiple times each day would be a real PITA. So I don't.
I use outlook, I plan my life around my calendar
Ever since Outlook 97, I have used Outlook as my local email client. I am currently running Outlook 2016. Unlike Solaris17, I don't plan my life around my calendar. My calendar plans and runs my life.

I depend on it yelling at me for appointments, birthdays (5 kids, 8 grandkids, 1 great-grand kid), anniversaries and more. My Outlook calendar also yells at me every 3 weeks to check my gmail spam folders for false positives. And I always find a few.
While Outlook is a great email client, in between all my email accounts and my Outlook client sits
MailWasher Pro (MWP). While MWP is marketed as a spam blocker, it is much more than that. It has a separate inbox where all my emails appear. I get about 50 - 60 emails per day with most being forum notifications. I can "work" those notifications and most other emails right from MWP's inbox. It allows me to reply, forward and delete them
directly from the servers without the emails (or their potentially malicious attachments) ever touching my local computer.
Once I have gone through all my daily emails, then and only then do I call up Outlook to retrieve the 3 or 4 "keepers" I actually want to download into Outlook.
*****
Full disclosure - I've been a beta tester for Firetrust, the developers of MailWasher, for almost 20 years. While I highly recommend MailWasher Pro, I get no compensation of any kind for doing so, and I have no connection, financial or otherwise, with Firetrust or any of its employees. This is NOT meant as a promotion. If you only have 1 email account, for sure, the free version would suffice. The Pro version is needed to support 2 or more, up to an unlimited number of email addresses. IMO, the initial $30 1 year license plus $25 annual renewal fees is a bit steep. However, the one-time $75 "lifetime" license (for 3 PCs) is well worth it.
I must also point out that Outlook's own spam blocker, Junk E-mail, is not bad and of course, most web-based email providers have built in spam blockers too. As I noted, I use MWP more as a client/mail handler than I do as a spam blocker.