Imports
Bulk-load users and their attributes from a CSV file, match them against your existing base, and optionally turn the result into a segment.
Dashboard path: Users & Segments > Data Management > Imports
Import Segments via CSV
Importing lets you create or update users in bulk from a CSV file, without waiting for them to show up in your product. Use it to seed a project before installation, to enrich your base with data that lives in another system, or to build an audience from a list someone handed you.

The import flow validates your file before it writes anything. You choose how Jimo matches users, map each column, then confirm the import.

An import is a snapshot, not a sync. It writes what the file contains, once. Nothing keeps updating afterwards. For a live connection, see Data Management and the integrations.
Prepare your CSV file
Headers
The only required structure for your CSV file is to use the first row as headers, with each header representing the name of the user attribute you want to import or use for matching.
Each column should have a header (
attribute name) followed by the corresponding value for each user.The column name does not need to match exactly an existing attribute name in Jimo, you can manually choose which one it corresponds to. If the attribute does not exist yet, it can be created automatically during import.
While not mandatory, it is recommended to use
idoremailas the first column to make user matching easier. Make sure the values in this column are unique (one row per user).
Format
Double-check that your file is saved in the CSV format (.csv).
The imports list
Every import you start is listed here, finished or not.

Creation date
When the import was started, and by which teammate
Name
The import name you gave it
Description
Your optional note
Row detected
How many rows Jimo read in the file
Row processed
How many were actually written
Status
Draft for an import started but never completed
Pending while the CSV import is running
Done once the import is completed
A Draft import has consumed nothing and changed nothing. If you left the flow before the final Import click, the file was analyzed but no user was created or updated.
Import users from CSV, top-right, starts a new one. The flow has three numbered steps.

Identification
This step decides how rows in your file are matched against users already in Jimo, and what happens on each side of that match.

Three switches
Add new users
If a row cannot be matched to an existing user, create that user
Update existing users
If a row is matched, update that user with the file's values
Create a segment
Create a segment containing all users identified in the CSV
Both first switches are on by default: the normal case is create-or-update.
Turn off Add new users to enrich only people Jimo already knows.
Turn off Update existing users to avoid overwriting values already in place.
Create a segment is the shortcut worth knowing. It turns a flat list into a targetable audience in one move, no rule to write. Useful when the list is exactly the audience: a beta cohort, an event's attendees, accounts flagged by your sales team.
Choosing the matching field
Two selectors face each other: on the left, the identifier Jimo uses (Id used in your app (identify)), on the right, the identifier column in your csv file. You are declaring which column holds the same value.

If your project already identifies users, a banner reminds you to pick the same type of ID your app uses, and lists the identifiers currently in use so you can compare against your file. If your app identifies by email, point at your email column. If it identifies by an internal ID, point at that one.
If you don't Add new users but only Update existing users and/or Create a segment, it allows you to match the CSV list with the native Jimo email field instead of the user id.
But you can't base the matching on a custom attribute.

Matching on the wrong field creates duplicates instead of updating. If your app identifies users by internal ID but you match on email, no row matches, and every line is created as a brand-new user. The identifiers listed in the banner are there for exactly this check: compare them to your column before continuing.
Map fields
Each column in your file gets a card, showing its name, how many rows were found, and the first value so you can confirm you are looking at the right data.

For each card, the checkbox decides whether the column is imported at all, and Map to attribute decides where it lands:
Field use for Identification: the column you chose in step 2, used for matching rather than written as data
Add as a new attribute: creates a custom attribute from this column
An existing attribute: writes into one you already have
This is the moment an import creates attributes. A column mapped to Add as a new attribute becomes a real custom attribute in your project, Active immediately since it arrives with values.
Uncheck the columns you do not need. A CSV exported from another tool often carries a dozen columns you will never segment on.
Import runs it.
Import done

A green banner reports what happened, in three numbers:
users were added: rows that matched nobody and became new users
users were updated: rows that matched an existing user
users couldn't been processed: rows Jimo could not handle
Read them against your expectations. An import of 500 known customers that reports 500 added and 0 updated means the matching field was wrong: you have just duplicated your base rather than enriched it.
Common issues and troubleshooting
Error: Invalid CSV Format
Solution: Ensure your CSV file is properly formatted with the correct headers.
Error: Mapping Issues
Solution: Double-check that all fields are correctly mapped and that there are no empty columns.
Error: Validation Failed
Solution: Review the error messages provided during validation and correct any issues in your CSV file.
Related pages
Exports: the same operation, in reverse
Data Management: when an import is the right inlet, and when it is not
Attributes: what happens to the custom attributes an import creates
Segments: what the Create a segment switch produces
Users: where the imported users land
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