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Business Marketing Messaging

Problem: Business Marketing Messaging - Import fails

Contact import fails or shows invalid numbers: check the file type and number format.

Jexter Reyes
Updated October 29th, 2026
1 min read
Article ID: 3773745

User Context

  • Import fails
  • contacts show as invalid
     

Procedure

  1. Confirm file type is one of the following:
    • .csv
    • .xls
    • .xlsx
       
  2. Re-check phone number formatting (international prefixes where needed).
     

 

Change Log

Date Description
Apr 22, 2026 Article revamped

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business marketing messaging import failed csv invalid contacts phone format

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