Is it safe to delete .edb and .CI files on Windows ?

Firstly I want to answer topic , Yes it is safe. But how ?
Before explain this I want to explain why I needed it.
I have noticed in my some Windows clients that OS partition C:\ drive was filling up very fast. As a result of my detailed research i noticed the windows search service was filling up drive.

Sometimes this service may have very big files named .edb and .ci . You can find .edb and ci files under these folders :

C:\ProgramData\Microsoft\Search\Data\Applications\Windows
C:\ProgramData\Microsoft\Search\Data\Applications\Windows\Projects\SystemIndex\Indexer

To be able to access this path, you will have to enable the ‘Show hidden files, folders, and drives‘

To making this 

You can safely delete .edb file which is under this location : 

C:\ProgramData\Microsoft\Search\Data\Applications\Windows 

but before delete you must stop windows search service 

There is 2 way to perform delete action

1- services.msc 

Stop the service in windows services 

and you can delete .edb file. After you delete .edb file you can start service again. You will see that new .ci files automatically occur and old ones are not exist anymore.

2- CMD method

you can stop this service via command line

net stop WSearch 

and delete .edb file. After delete you can start service via this command : 

net start WSearch

You will see that new .ci files automatically occur and old ones is not exist anymore.

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