TL:DR; Search local folders or drives for unused files.
Search local folders or drives for unused files. There is a feature to send unused files to the Recycling Bin.
XlsToMdb is a tool to import Excel data to Access. Main features: 1 Read data from excel sheet into an Access table. 2 Run SQL command to see importing results. 3 Support Unicode. 4 Wizard - step by step. 5 Support Excel 2007 and Access 2007.
Signature Checker looks at an area of a scanned image and determines if it contains any data. It does this by looking at the percentage of black and white pixels. It does not compare and validate a signature; it only looks to see if something exists.
Convert PDF files into pictures (JPG, BMP etc...) or into PDF files with only one picture of the content per page. This way nobody can modify your pdf files because there is no text information. It is like you would printout the pdf file, scan it.