Will change PowerPoint or Word files.
Only relevant (ppt,doc) files can be added.
Files added by files button.
Whole directories with directory button or dragged onto the list.
Only files from the immediate Directory selected are added, not futher.
Only relevant files will be added.

Will change any number or text, or alphanumeric.
Matches only on whole words
Old Number can be seperated by commas to change multiple numbers to the new one.
It should match any whole word or number, not part words.
Matching against alphabetic characters IS case sensitive.
Files are backed up before the first change.
Won't change a file if too many changes are detected.

Here's a few versions, some use office, some have more options,
work different, or might be quicker.


You might need .NET run time installed, and maybe Office runtime?
here's links.

Visual Studio 2010 Tools for Office Runtime

https://www.microsoft.com/en-us/download/details.aspx?id=105522


Microsoft .NET Framework 4 (Web Installer) (part win 10?)

https://www.microsoft.com/en-us/download/details.aspx?id=17851


Microsoft .NET Framework 4 Client Profile (Web Installer) (part win 10?)

https://www.microsoft.com/en-us/download/details.aspx?id=17113


.NET Framework 4.5 (part win 10)

https://www.microsoft.com/en-us/download/details.aspx?id=30653