Help with Using Ccleaner 1st time

If anyone can answer a couple questions for me I would appreciate it. I am using Ccleaber for the first time and I understand basically what it does. I am concerned when I look at the anaylzation before I actually tell it to clean. Under the Application Tab I am concerned that when I tell it to clean it will clean everything out or "delete" everything that is checked. Under my App tab it has my MS Office and important stuff. Does the actual clean mean that it will delete those files? Or is it just cleaning out files within those areas. Confused and anxious to carry on with a bit of help??!

It will not delete MS Office it will instead delete junk files that are used in MS Office like the recent documents list and other temporary files. It will not touch your install files or any of the important parts.

No programs will be harmed, you need not worry. You can check the ccleaner documentation if you have any other concerns. :)

For a full rundown of what's being deleted you can analysis first, then hit clean. However all things in the cleaner section (not the registry section) are system and program junk files (for 1st time, you are pretty safe with the default checked items, don't deleve into the advanced section of the cleaner yet :) )