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All collectionsOutreachGetting Started with OutreachGetting Started Guides👥 Preparing & Importing Contact Lists with Personalization

👥 Preparing & Importing Contact Lists with Personalization

A comprehensive guide to preparing CSV files, mapping custom attributes, using dynamic personalization tags, handling deduplication, and managing workspace suppression lists.

Targeted segmentation and clean contact data are critical to outbound campaign success. This guide explains how to format your contact files, import custom attributes for dynamic personalization, and leverage built-in hygiene safeguards.

CSV File Formatting Standards

SkySenders supports importing lead lists via standard CSV files. Ensure your file is saved with UTF-8 encoding and includes standard header names:

  • email (Required for Email): The recipient's primary business email address.

  • linkedin_profile_url (Required for LinkedIn): The lead's public LinkedIn profile URL (e.g. https://linkedin.com/in/alexsmith).

  • first_name & last_name: Recipient's given and family names for personalization.

  • company_name: The lead's organization name.

  • job_title: The lead's current position.

  • website: Company website domain.

Custom Attributes for Hyper-Personalization

Beyond standard fields, you can include any custom column in your CSV. SkySenders will create dynamic merge tags that can be inserted anywhere in your sequence copy:

  • industry: -> {{industry}} (e.g. B2B SaaS)

  • tech_stack: -> {{tech_stack}} (e.g. PostgreSQL, React)

  • recent_funding: -> {{recent_funding}} (e.g. Series B)

  • custom_hook: -> {{custom_hook}} (e.g. loved your recent post on AI)

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💡 Tip: Always provide a fallback value in your sequence templates using the format {{firstName | 'there'}} so that missing fields never result in empty gaps in your emails.

Importing Your List into SkySenders

  1. Navigate to Lists: Go to Outreach > Contacts & Lists > Lists and click Create List.

  2. Upload CSV: Drag and drop your CSV file into the upload modal.

  3. Map Columns: Review the column mapping preview. SkySenders will automatically match standard fields. For custom columns, select Create Custom Attribute.

  4. Confirm Import Job: Click Import. SkySenders processes the list asynchronously in the background.

Automated Data Hygiene & Suppression

  • Deduplication: SkySenders detects duplicate email addresses and LinkedIn URLs, ensuring prospects are not contacted twice in the same list.

  • Workspace Suppression: Incoming contacts are automatically matched against your Workspace Suppression List. Unsubscribed leads or domains of existing clients and competitors are automatically excluded.

  • Invalid Email Scrubbing: Previously hard-bounced addresses across any campaign in your workspace are flagged to protect sender reputation.

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