Make the whole blog private.
- Go to Blogger Home. (click that link, or click orange B button).
The page refreshes to show you your blog (or list of blogs). - Click the link for the blog you want to change.
The page refreshes to show the dashboard for your blog, with a view graph in the center, and a list of options on the left. - Click the Settings button (located at the bottom of the menu on the left).
The page refreshes to show those options. - Locate the Permissions section (bottom of page).
The Blog authors and Blog Readers are displayed. - Locate the Blog Readers edit link, and click it.
The page displays a set of buttons where you change your privacy settings.
Like so. - Click one of the Private button options, and then click the Save changes button.
aaaand your blog is now private!
Post-by-post: Selectively edit each post.
Steps 1 and 2 are the same as above.
- Go to Blogger Home. (click that link, or click orange B button).
The page refreshes to show you your blog (or list of blogs). - Click the link for the blog you want to change.
The page refreshes to show the dashboard for your blog, with a view graph in the center, and a list of options on the left. - On menu to left, click Posts (it's the second item, under Overview).
Your list of posts appears. - Revert multiple posts: Click the box to the left of each post you want to revert to draft, then click the Revert to Draft button at the top of the listing.
- Revert one-at-a-time: Click a link of a published post to review it, and edit it.
The post appears in edit mode. - Locate the buttons at top right
[Update] [Revert to draft] [Preview] [Close]
Click the Revert to draft button to make the post private.