Going from Rev.2 to Rev.3

I am trying to update a assembly and all of its related parts and drawings to revision 3 from 2. I opened SolidWorks explorer and got the rev 3 added on as a suffix but I can not make rev 2 delete without going through every single part and changing it. I had tried searching the save to name and replacing rev 2 with rev 3 but it would not work. Any suggestions?

Thank you

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