OWA - Access to the following potentially unsafe attachments

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Ever wondered how to get around the potentially blocked attachments notification, well wonder no more. It is actually very simple.

Simply modify the below registry keys to make the extension you require exempt.

Location: HKLM\System\CurrentControlSet\Services\MSExchangeWeb\OWA
Value: Level1FileTypes
Type: REG_SZ
Value Data: ade, adp, app, asx, bas, bat, chm, cmd, com, cpl, crt, csh, exe, fxp, hlp, hta, inf, ins, isp, js, jse, ksh, lnk, mda, mdb, mde, mdt, mdw, mdz, msc, msi, msp, mst, ops, pcd, pif, prf, prg, reg, scf, scr, sct, shb, shs, url, vb, vbe, vbs, wsc, wsf, wsh

Location: HKLM\System\CurrentControlSet\Services\MSExchangeWeb\OWAValue: Level2FileTypes
Type: REG_SZ
Value Data: ade, adp, asx, bas, bat, chm, cmd, com, cpl, crt, exe, hlp, hta, htm, html, htc, inf, ins, isp, js, jse, lnk, mda, mdb, mde, mdz, mht, mhtml, msc, msi, msp, mst, pcd, pif, prf, reg, scf, scr, sct, shb, shs, shtm, shtml, stm, url, vb, vbe, vbs, wsc, wsf, wsh, xml, dir, dcr, plg, spl, swf


Easy as that.. you can also add extensions to block by file type too.

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