Login to CStorePro and go to Central Price Book > Bulk Update.
You can search for the items using any of the criteria's identified. For example if I want to find all items in my soda department that are $0.89, search by price groups or search the soda department with $.89 Min price and Max Price.
Enter the new price and click on the down arrow next to new price to apply changes to all the items.
Note: to increase/decrease all items by a certain amount simply use +.10 or -.10 where the ".10" is the value and "+" is to increase and "-" is to decrease.
Click on “Send to selected stores” to pick specific stores to send promotions to or click on “Send to all stores” to send it to all the stores.
Note: System will push it register in a few minutes. For Ruby and Sapphire sites, you will need to log off and log in for the changes to take effect.