Manage customer lists

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Customer management is the data foundation for outbound tasks. Customer management supports batch uploading of customer lists, viewing historical upload records, and downloading lists for verification. Each list can be associated with an outbound task to achieve precise customer outreach.

Access: After logging on to the console, select Customer Management in the left-side navigation pane.

View customer lists

Data overview

The top of the page displays two core metrics to help you quickly understand the customer data overview:

Metric

Description

Calculation method

Total lists

The total number of uploaded list files under your account

Cumulative number of uploaded files

Total customers

The total number of phone numbers across all lists (without deduplication)

Sum of all numbers across all lists

Data interpretation notes:

  • Total customers is counted without deduplication: If the same phone number appears in multiple lists, it is counted multiple times.

  • Automatic deduplication during outbound task execution: The system automatically deduplicates numbers within the same task to avoid repeated calls.

  • No deduplication across tasks: If two tasks use the same list, a customer may receive two calls.

List table

Below the statistics, a table displays all uploaded customer lists, sorted by upload time in descending order (most recent first).

Field

Description

List name

The original filename of the uploaded file (including extension)

Number count

The total number of phone numbers in the list

Uploaded by

The account ID that uploaded the list

Upload time

The timestamp when the file was successfully uploaded

Actions

Download the customer list for content verification or sharing

Upload a customer list

Step 1: Download the standard template

When using the customer management feature for the first time, we recommend that you download the standard template to understand the required file format.

Procedure:

  1. Click the Download Template button in the upper-right corner of the page.

  2. The system automatically downloads the template file to your local device (default filename: 客户名单模板.xlsx).

Template field descriptions:

Column name

Required

Data type

Description

Example

Customer name

Required

Text

The real name or title of the customer

John Smith, Jane Doe

Phone number

Required

Numeric (11 digits)

Mainland China mobile phone number

138****1234

Step 2: Prepare the list file

Fill in customer information in the standard template or use a custom file. The following requirements must be met:

Requirement

Description

Supported formats

.xls, .xlsx, .csv

File name

Duplicates are not allowed. We recommend using a name with business meaning

File size

We recommend that the file size does not exceed 5 MB

Records per file

Up to 10,000 records. Split into multiple files if the limit is exceeded

Number requirements

Only 11-digit mainland China mobile phone numbers are supported

List quality recommendations:

  • Use filenames with business meaning: For example, "January 2024 member follow-up list.xlsx" for easier management.

  • Ensure correct number format: 11 digits, without spaces, hyphens, or other characters.

  • Avoid sensitive words: Customer names should not contain prohibited terms.

  • Update lists regularly: Remove invalid numbers (disconnected or non-existent) to improve the connection rate.

Step 3: Upload and wait for validation

Procedure:

  1. Click the Upload New List button in the upper-right corner of the page.

  2. Locate the prepared list file in the file selector, select the file, and click "Open". The system starts uploading and validating the file.

System validation rules:

Validation item

Description

Handling method

Sensitive word detection

Checks whether customer names contain prohibited terms

Upload fails if detected. You are prompted to make corrections

Number format

Checks whether phone numbers are standard 11-digit mobile numbers

Invalid numbers are automatically filtered (upload is not blocked)

Duplicate detection

Checks whether the list contains duplicate numbers

Notification only. Upload is not blocked

Note
  • If the uploaded file contains incorrectly formatted numbers, the system automatically filters them out.

  • The final number of saved phone numbers may be fewer than in the original file. We recommend downloading the list for verification after a successful upload.

  • During outbound task execution, the system automatically deduplicates numbers within the same task.

FAQ

How soon can I use a list after uploading it?

The list is available immediately after a successful upload. You can select it from the drop-down list when creating an outbound task.

Can the same list be used for multiple outbound tasks?

Yes. A single list can be associated with multiple tasks without affecting each other.

What if the list contains duplicate phone numbers?

  • During upload, the system shows a notification but does not block the upload.

  • During outbound task execution, the system automatically deduplicates numbers within the same task to avoid repeated calls.

  • No deduplication across tasks (if you use the same list in two tasks, the customer may receive two calls).

How is the data security of customer lists ensured?

  • All data transmission is encrypted by using HTTPS.

  • Data is stored in the Alibaba Cloud secure infrastructure with encryption and access control.

  • RAM sub-accounts require authorization to access customer data. For more information, see Use RAM for access control.

How long are uploaded lists retained?

  • Lists are permanently retained during your subscription period.

  • After your subscription expires, lists are retained along with other data for 15 days.

  • If you do not renew within 15 days, the data is permanently deleted.

What are the common causes of customer list upload failures?

The following are possible causes:

Error message

Cause

Solution

Duplicate list name

A customer list with the same name already exists

Rename the file and upload it again

Sensitive word detected

A customer name contains prohibited terms

Check and remove sensitive words, then upload again

Invalid number format

The phone number does not conform to the 11-digit format

Use the standard template and ensure numbers contain only digits

Unsupported file format

An unsupported format was uploaded

Convert the file to .xlsx or .csv format

Record limit exceeded

The file contains more than 10,000 records

Split the file into multiple files and upload them separately

Can I modify an uploaded list?

Online editing is not currently supported. To modify a list, download the original list, make changes, and re-upload it with a new list name.

Why does the number count of my uploaded list differ from the file?

Possible cause: The system automatically filtered out incorrectly formatted numbers (such as non-11-digit numbers or numbers containing letters).

We recommend downloading the list for verification to ensure the number format meets the requirements.