Outlook on the web
Using SWEEP to clean up mailbox
I find that SWEEP feature - as implied - is really an efficient tool to cleanup old newsletters.
Select a newsletter, click Sweep, and choose one of four options.
Delete cached files on server running IIS When changing css, javascript files, check to delete if IIS still caches old files in the default folder C:\inetpub\temp\IIS Temporary Compressed Files\<sitename>\$^_gzip_D^\ Apply to: IIS 8.5