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How to remove duplicate customers from a spreadsheet by email address

A customer list that has been fed by sign-up forms, imports and the odd copy-paste ends up with the same person on it two, three, four times.

  • Open customer list in Spreadsheet Editor by dropping .xlsx file
  • Highlight duplicate email addresses using conditional formatting
  • Remove duplicates, retaining first instance of each email address

What Your Screen Quietly Shares Without Asking During a Video Call at Work

You join a video call, click the share button, and start walking a client through a document. It feels like you are showing one file, yet you are usually showing much more.

  • Screen sharing reveals unintended information
  • Notifications and open tabs unintentionally disclosed
  • Do-not-disturb mode rarely used to prevent disclosures

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