Navy Federal Credit Union is the world's largest credit union and proudly serves members of the military, DoD, and their families providing solutions in banking and other financial needs worldwide. Learn more about our services such as auto loans, mortgage lending, and top rated credit cards.
1 extension(s) and 0 alias(es) in our database. .vsto. VSTO file is a Microsoft Visual Studio Tools for Office Add-in. VSTO is an add-on to Microsoft Visual Studio that enables you to build application-level add-ins for applications in the Microsoft Office system. Other types of files may also use the .vsto file extension.
File Extension. Example: Common file extensions include .txt for text files and .jpg for JPEG image files.. A file extension is the last part of a filename, after the dot (e.g. .pdf). Most file extensions are three characters long, but they can be shorter or longer as well. File extensions are used to define the file type of each file. The operating system uses this information to select which application will open the file and choose the appropriate icon for the file.