.VSTO file extension

This is the basic program to work with .VSTO extension

Belarc Advisor

Belarc Advisor VSTO Deployment Manifest

Belarc Advisor is a tool that can analyze your computer in a very detailed manner. The best thing about this program is that it does not need to send your computer profile or details to any external server to perform the analysis, thus safeguarding your privacy... (more)

The program works with the following extensions: iso, gif, zip, wmf, jpg, bmp, png, ico, jpeg, shs, psi, tvp, der, emc, sst, lmo, x10, dib, sed, stl, o2c, xgz, dun, emf, crp, tif, cdf, dmf, udl, aco, uea, jpe, url, nef, bci, rtu, p7s, wbc, cat, eas, prf, jif, cer, emd, qds, dvs, cnf, aso, rat, crd, crl, shb, crt, tiff, jfif, ueaf, vsto, crds, safe, theme, email, ecmul, ade_aq, adp_aq, asx_aq, bat_aq, chm_aq, cmd_aq, com_aq, cpl_aq, crt_aq, dbx_aq, doc_aq, archdvs, msstyles, slupkg-ms and appref-ms

.VSTO extension is also supported by the following programs:

ThinkPad Power Manager

ThinkPad Power Manager VSTO Deployment Manifest

Power Manager helps to save energy by reducing the running cost of your ThinkPad.
Yahoo! Mail

Yahoo! Mail VSTO Deployment Manifest

Windows Essentials Codec Pack

Windows Essentials Codec Pack VSTO Deployment Manifest

It's easy to use and even easier to install/uninstall.
Dell Wireless WLAN Card

Dell Wireless WLAN Card VSTO Deployment Manifest

A wireless connection manager included with Dell Truemobile Wireless Cards.
MagicPDF Pro

MagicPDF Pro VSTO Deployment Manifest

Getting more functionalities and better control over your PDF.
Power Manager

Power Manager VSTO Deployment Manifest

Broadcom Wireless Utility

Broadcom Wireless Utility VSTO Deployment Manifest