Build a CRM-Ready Contact List from One Gmail Label
8apps Team ·
Your inbox already knows who your contacts are. Here's how to turn one Gmail label into a clean, deduplicated sheet your CRM can import – columns, cleanup and all.
#8apps
20 articles
Why Your Ad-Platform Match Rate Is Low
8apps Team ·
The upload worked, the audience is tiny. Work through these causes in order – most low match rates are one formatting mistake, found in under ten minutes.
Event Follow-Up: Every Email About X, in One Sheet
8apps Team ·
After a webinar or launch, the follow-up window is days, not weeks. Here's how to pull everyone who emailed you about it into one deduplicated sheet while it still matters.
Format Phone Numbers to E.164 in Google Sheets
8apps Team ·
E.164 is the format ad platforms and APIs expect – and the one spreadsheets quietly destroy. Here's how to get +6591234567 out of whatever your column holds now.
Gmail Add-On Permissions, Explained Honestly
8apps Team ·
That consent screen is asking a real question. Here's what Workspace add-on permissions actually mean, what to check about any vendor, and how to revoke access in one minute.
Prepare a Google Ads Customer Match List in Sheets
8apps Team ·
The upload succeeds either way – the match rate is what fails. Here's the Sheets-to-Customer-Match workflow with Google's own formatting rules at each step.
Hash Email Addresses Correctly in Google Sheets
8apps Team ·
Email hashing fails on casing, invisible spaces and Gmail's dot rules – not on the hash. The normalisation order that makes digests actually match, platform by platform.
Hashing Is Not Anonymisation
8apps Team ·
A hashed customer list feels safe to share. European regulators – and arithmetic – disagree. What SHA-256 actually protects, what it doesn't, and how to handle hashed PII honestly.
MD5, SHA-1 or SHA-256 for Customer Data?
8apps Team ·
The tool offers five algorithms; the upload needs exactly one. What Google, Meta and TikTok actually accept, how to recognise each digest on sight, and the one-line rule.
Prepare a Meta Custom Audience File from Google Sheets
8apps Team ·
Meta's phone format is not Google's – the same number needs two different hashes. Here's the Sheets workflow that follows Meta's documented rules exactly.