No... you can't retrieve bookmarks
Once mail is deleted, it can not be recovered. You are given at least two warnings about this before you confirm the deletion.
Deleted messages are stored for a time in the Trash folder until that folder is cleared ("emptied"). Messages deleted from the Trash folder can't be recovered.
If you have Yahoo Toolbar installed, it will add the bookmarks. -Jesse
Even when uninstalled or deleted, Mozilla Firefox will leave your bookmarks behind. They will still be there if you reinstall it.
Go to the Deleted Items folder and find the deleted Yahoo! mail you want to restore. Click it and choose move to inbox.
yahoo mail
To use the bookmarks function, the easiest way is to find a website one would like to save, right click and add to bookmarks or add to bookmarks toolbar.
You don't favorite, you bookmark sites. Click bookmarks at the top, then add bookmarks.
Bookmarks in Google Chrome do not disappear without any issue. You could have deleted them or used a different profile.
You cannot.
no good