You can redact all instances of a particular type of information at once. The types of information you can do this for include US Social Security Number, US Phone Number, Email, US Postal Code, and Date.
Instructions
Log in to your account.
Click on All Requests:

Select the request number in the Request column:

Select the request’s Documents tab:

Hover over the document and click the More menu (icon with three dots):

Select Redact file (wrench icon) from the drop-down menu:

Click on the Search button (magnifying glass icon):

Select the Previous Searches button and choose the information types you want to search for:

Select the information types you want to search for:

Click the Search button (magnifying glass icon):

Click the Redact button:

Select the Redact All button:

Choose a Redaction Reason from the Select a Redaction Reason drop-down menu:

Click the Save button (disk icon):

Click the Save to Request button on the pop-up window:

Note:
The redacted document will be saved under the same file name with the word 'redacted' added at the end.