Having a hard time with duplicate page content

[cgman]

I'm having a hard time redirecting website.com/ to website.com

The crawl report shows both versions as duplicate content.

Here is my htaccess:

RewriteEngine On
RewriteBase /
#Rewrite bare to www
RewriteCond %{HTTP_HOST} ^mywebsite.com
RewriteRule ^(([^/]+/)*)index.php$ http://www.mywebsite.com/$1 [R=301,L]

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.*)$ $1.php [NC,L]
RewriteCond %{HTTP_HOST} !^.localhost$ [NC]
RewriteRule ^(.+)/$ http://%{HTTP_HOST}$1 [R=301,L]

I added the last 2 lines after seeing a Q&A here, but I don't think it has helped.

[KeriMorgret]

Does the URL redirect in the browser, or are you still needing to get the redirect itself set up correctly?

[cgman]

Tried this, ran new crawl, still says duplicate pages.

[cgman]

Thanks, I'll give it a shot and recrawl.

[donford]

This is what we use

Replace html with php

RewriteEngine on
RewriteCond %{THE_REQUEST} ^./index.html?\ HTTP/
RewriteRule ^(.)index.html?$ "/$1" [R=301,L]

I'd remove the last 2 lines from your post and add that in...

Hope it helps.