How to unlock attachment restriction in Microsoft Outlook

To unlock the attachment restriction in Microsoft Outlook, just follow the steps below:

- Start => Run => Enter regedit
- Look for HKEY_CURRENT_USER\ Software\ Microsoft\ Office\ 10.0\ Outlook\ Security
- Create a new String value Level1Remove (modify if exists) and add the extension that you would like to allow for download (seperated by comma) ex: exe;jpg;gif;png

Note: These are the list of files that is normally being lock by Ms Outlook when received as e-mail attachments: “ade, adp, asx, bas, bat, chm, cmd, com, cpl, crt, exe, hlp, hta, inf, ins, isp, js, jse, lnk, mda, mdb, mde, mdz, msc, msi, msp, mst, pcd, pif, prf, reg, scf, scr, sct, shb, shs, url, vb, vbe, vbs, wsc, wsf, wsh”