How to undo excel file in CRM

Feature Requests
1

How to undo excel file in CRM.

2

How to process import excel sheet, to undo in CRM.

3

Sir,

aapne Notification me Bulk Action me View All par click karna.

usme last aapne jo Import kiya hoga vo uss par click karke, Undo Import par click kar sakte hai. lekin ye kuch time ke limit me hi kar sakte hai.