Outlook - Mailbox Almost Full

Step 1. Confirm Storage Size of Outlook New/Classic

Open up outlook classic on windows Search bar
Search For Storage Limit in outlook (Classic)
1. For Classic once Launched -> Go to File
2. In Files go down to Mailbox Settings -> Confirm Storage Limit.
Search For Storage Limit in outlook (New)
1. Go to the right Side of outlook New and click on Gear Icon
2. In the Accounts Section go down to Storage
3. Confirm Storage Limit

Step 3. Remove | Delete | Rebuild OST File from Directory Path

Follow the Directory Path: C:\Users\Username (User Profile)\AppData\Local\Microsoft\Outlook
Delete the Outlook Data Files (OST Files)
1. Right Click on the files and press Delete.
2. Ost Files have been removed.

Step 4. Rebuild OST File New/Classic

If User is still logged into Outlook New or Classic Close out and Re-sign in.
- Note: This will re-build the OST File
Once Signed back in Outlook Classic:
1. Go to Files
2. Go to Account Settings -> Account Settings
3. Click on Email Account
4. In Exchange Account Settings
  1. Set Download Email for the Past: to 3 Days
  2. Press Next
  3. Account successfully updated -> Press Done
  4. Have User Re-start outlook Classic for Changes to Take effect
Once Signed back into Outlook (New)
1. Go to the right Side of outlook New and click on Gear Icon
2. Go to General -> Offline -> Folders to Save -> Change to Default and Days of Email Save -> 7 Days -> Press Save

Step 5. Re-confirm Users OST File is now Smaller then Size Originally

Go back to the Directory and Confirm Size of OST File.
- Directory Path: C:\Users\Username (User Profile)\AppData\Local\Microsoft\Outlook