Sending, receiving, and organizing email in Outlook.com
Welcome Mary Ann Fearer,
Thanks for reaching out to Microsoft Q&A Forum. I understand that the checkboxes next to your emails in Outlook.com have disappeared and been replaced with a blue line, and you want to remove the blue line.
To help narrow this down, could you please confirm:
- Does the blue line appear only on unread messages, or on every message in the list, including the one you have selected?
- Does the same thing happen if you open Outlook.com in a different browser or in a private (InPrivate or Incognito) window?
Please make sure you already tried the Q&A Assist steps. In addition, please try the following:
1, Mark the messages as read, since a blue bar on the left edge usually marks unread messages.
- Right-click the message with the blue line and select Mark as read.
- To mark the whole folder at once, right-click the folder name in the left pane and select Mark all as read.
2, Change when messages are marked as read.
- Select Settings, then Mail, then Message handling.
- Under Mark as read, select Mark items as read when viewed in the reading pane, then select Save.
3, Reset the browser zoom and window size.
- Press Ctrl and 0 together to reset the zoom to 100 percent.
- Maximize the browser window, because a narrow window can hide the checkbox area.
4, Clear the browser cache and cookies.
- In Microsoft Edge, select Settings, then Privacy, search, and services, then Clear browsing data, and choose Cookies and other site data plus Cached images and files.
- Close and reopen the browser, then sign in to Outlook.com again.
Looking forward to your update.