DocCommander 

DocCommander replaces standard Open/Save dialog boxes of Windows. DocCommander provides access to your favorite folders and recently accessed documents. Other features: file search, file preview, and fully customizable user interface.
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File-Ex 

File Open and Save-As Dialog Extensions for all of your applications. Enlarges the dialog, adds recent and favorite files/folders lists, set sorting and view defaults, file management functions, advanced Find, and more.
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