CRM migration
Field-level mapping, validation, and rollback between Tango CRM and Zoho CRM. We move data and schema; workflows are rebuilt natively in Zoho CRM.
Tango CRM
Source
Zoho CRM
Destination
Compatibility
6 of 12
objects map 1:1 between Tango CRM and Zoho CRM.
Complexity
CModerate
Timeline
3-5 weeks
Overview
Moving from Tango CRM to Zoho CRM is a migration from a platform with no confirmed public API to one of the most widely adopted mid-market CRMs globally. The primary constraint on the Tango side is export feasibility: without a documented REST API or developer portal, we must evaluate CSV export availability or browser-assisted capture during discovery before committing to an approach. On the Zoho side, the platform's mature REST API, bulk import tooling, and 250,000-business user base make data ingestion straightforward once we have clean source data. We preserve relationship chains between Contacts, Companies, and Deals in our staging layer and write them to Zoho in dependency order. Workflows, automations, and reporting configurations do not migrate; we deliver a written inventory for the customer to rebuild in Zoho's workflow builder post-migration.
Every standard and custom field arrives verified.
AI proposes the map; you confirm before any record moves.
Parent–child, lookups, and ownership stay linked.
Calls, emails, meetings — with original timestamps.
Documents, uploads, and inline notes move with the record.
Why teams make this switch
Leaving
What's pushing teams away
Choosing
What's pulling them in
Object mapping
Each row shows how a Tango CRM object lands in Zoho CRM, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Tango CRM
Contact
Zoho CRM
Contact
1:1Tango CRM Contact records map to Zoho CRM Contacts. Standard fields (Full Name, Email, Phone, Mailing Address) migrate directly. We use Email as the dedupe key. Any custom Contact properties are mapped to their Zoho field equivalents during the mapping phase. Custom fields of type dropdown require value-level reconciliation to ensure picklist options in Zoho match the source values before import.
Tango CRM
Company
Zoho CRM
Account
1:1Tango CRM Company records map to Zoho CRM Accounts. Company Name becomes the Account Name field; industry, size, website, and address fields map to their Zoho equivalents. Account is created before any Contact import so that the Account lookup relationship is satisfied at the moment of Contact insert. Domain-based matching from the Tango Company record supports dedupe logic during staging.
Tango CRM
Deal
Zoho CRM
Deal
1:1Tango CRM Deal records map to Zoho CRM Deals. Deal Name, Amount, Closing Date, and Owner migrate directly. The Tango pipeline stage assignment maps to a Zoho Stage value; we reconcile stage labels during the mapping phase since stage names rarely align 1:1 between platforms. Historical Deals with closed-won or closed-lost status preserve their original close dates and stage values.
Tango CRM
Pipeline Stage
Zoho CRM
Stage
lossyTango CRM pipeline stage definitions (stage names, order, probability percentages) are exported as a configuration worksheet. We create corresponding Stages in Zoho CRM with matching probability values where possible. Stage labels from Tango do not map automatically to Zoho Stages; the customer reviews and approves the stage mapping worksheet before import. Stage order is preserved independently of labels.
Tango CRM
Activity: Task
Zoho CRM
Task
1:1Tango CRM Tasks (standalone task records, not engagement-logged tasks) map to Zoho CRM Tasks. Subject, Status, Priority, Due Date, and Related To fields migrate directly. Owner resolution uses email matching against the Zoho user roster. Tasks without a resolvable owner are held in a reconciliation queue for the customer's admin to assign before the final migration phase.
Tango CRM
Activity: Email
Zoho CRM
Activity Log (Full Name + Description)
lossyTango CRM email engagements logged against Contacts or Deals are imported as Zoho CRM Activity records with the full email content stored in the Description field and the subject in the Title field. Email timestamps are preserved as the Activity Date. We flag email migration feasibility during scoping because without a confirmed API endpoint, email body extraction depends on export availability. HTML-formatted emails are stripped to plain text unless the destination layout supports rich-text Activity fields.
Tango CRM
Activity: Call
Zoho CRM
Activity Log (Type = Outbound/Inbound Call)
lossyTango CRM call logs migrate to Zoho CRM Activity records with Type set to Outbound Call or Inbound Call based on the source call direction field. Duration and call notes migrate to the Description field. Call disposition values from Tango are preserved as text within the Activity Description unless a Zoho custom field is available to receive structured disposition data.
Tango CRM
Activity: Meeting
Zoho CRM
Activity Log (Title + Description)
lossyTango CRM meeting logs migrate to Zoho CRM Activity records. Meeting title becomes the Activity Title; attendees, location, and agenda notes migrate to Description. Meeting start time and duration are preserved in the Activity Date and Description fields. Meeting attendees are documented in Description rather than linked as separate Zoho Contact records, which is consistent with the standard Zoho Activity model.
Tango CRM
Note
Zoho CRM
Note
1:1Free-text notes attached to Tango CRM Contacts, Companies, or Deals migrate to Zoho CRM Notes. Note body migrates as plain text. HTML-formatted notes are stripped to plain text. Notes are linked to their parent record via the Zoho module and record ID. Multi-part notes with attachments require a separate manual checklist because attachment extraction from Tango is unconfirmed.
Tango CRM
Tag
Zoho CRM
Tag
1:1Tags applied to Tango CRM Contacts, Companies, or Deals migrate to Zoho CRM Tags. Multi-select tag arrays are split into individual tag values during transformation. Zoho Tags are applied to the corresponding Contact, Account, or Deal record post-import. Tag counts and tag-to-record associations are preserved in the staging layer before writeback.
Tango CRM
Custom Field (Contact)
Zoho CRM
Custom Field (Contact)
lossyCustom properties on Tango CRM Contacts require explicit field-level mapping during the mapping phase. Field types (text, number, date, dropdown, checkbox) are matched to equivalent Zoho custom field types. Dropdown fields require value-level reconciliation: we produce a dropdown mapping worksheet listing each Tango value and the corresponding Zoho picklist option. Custom fields without a Zoho equivalent are flagged for the customer's admin to create before import.
Tango CRM
Custom Field (Deal)
Zoho CRM
Custom Field (Deal)
lossyCustom properties on Tango CRM Deals map to Zoho Deal custom fields. Deal-level custom fields are created in Zoho before the Deal migration phase begins. Fields of type currency, date, and dropdown follow the same mapping approach as Contact custom fields. Any custom Deal fields referencing lookup relationships (e.g., a custom field linking a Deal to a third-party object) are flagged as unsupported for migration without schema pre-creation in Zoho.
| Tango CRM | Zoho CRM | Compatibility | |
|---|---|---|---|
| Contact | Contact1:1 | Fully supported | |
| Company | Account1:1 | Fully supported | |
| Deal | Deal1:1 | Fully supported | |
| Pipeline Stage | Stagelossy | Fully supported | |
| Activity: Task | Task1:1 | Fully supported | |
| Activity: Email | Activity Log (Full Name + Description)lossy | Fully supported | |
| Activity: Call | Activity Log (Type = Outbound/Inbound Call)lossy | Fully supported | |
| Activity: Meeting | Activity Log (Title + Description)lossy | Fully supported | |
| Note | Note1:1 | Fully supported | |
| Tag | Tag1:1 | Fully supported | |
| Custom Field (Contact) | Custom Field (Contact)lossy | Fully supported | |
| Custom Field (Deal) | Custom Field (Deal)lossy | Fully supported |
Gotchas + challenges
Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.
Tango CRM gotchas
No public API confirmed limits automation options
Attachment extraction is unconfirmed
Pipeline stage names rarely align between CRMs
Zoho CRM gotchas
API access requires Professional tier or above
Subform fields do not export cleanly via CSV
API credit consumption is non-linear
Export download links expire in 7 days
Owner (User) assignments require pre-mapped user IDs
Pair-specific challenges
Migration approach
Discovery and export-pathway assessment
We audit the Tango CRM account for record counts across Contacts, Companies, Deals, Activities, and any custom fields. The primary discovery deliverable is confirming whether a CSV export mechanism or browser-accessible data exists for each object type. If no export path is confirmed for a given object, we document the browser-assisted capture approach and adjust the timeline estimate. We pair this with a Zoho CRM environment review to confirm the target workspace is provisioned and the target edition supports the required custom fields and modules.
Staging environment and schema pre-creation in Zoho
We create the destination schema in Zoho CRM before any data import begins. This includes creating any custom fields required on Contacts, Accounts, and Deals, establishing Stage values and probability percentages per the approved stage mapping worksheet, and confirming field-level security and layout assignments. Custom fields are created in Zoho first so that the field IDs are available for mapping during the transformation step.
Data extraction and staging layer build
We extract data from Tango CRM using the confirmed export pathway. The extracted records are loaded into our staging layer where we perform field-level mapping, data-type normalization, and relationship chain resolution. In the staging layer, we resolve parent-record references (e.g., which Contact belongs to which Account) and build the lookup ID mapping that governs writeback order. Any unmappable custom fields are flagged with a field-level reconciliation report for the customer's admin to resolve.
Owner and user reconciliation
We extract every distinct owner referenced on Contact, Company, Deal, and Activity records and match by email address against the Zoho CRM user roster. Any Tango owner without a matching Zoho user is held in a reconciliation queue. The customer's Zoho admin provisions any missing users (or deactivates the owner reference for inactive users) before the production migration phase begins. Owner resolution is a prerequisite for Deal and Activity import because OwnerId is a required field on standard Zoho objects.
Production migration in dependency order
We run production migration in the sequence that satisfies referential integrity: Accounts (from Tango Companies), Contacts (with AccountId resolved), Deals (with Stage reconciled, OwnerId resolved, and AccountId linked), Activities (Tasks, Emails, Calls, Meetings in chronological batches), Notes (linked to parent records), and Tags (applied post-import). Each phase emits a row-count reconciliation report before the next phase begins. We apply the stage mapping worksheet at Deal import time, not before.
Cutover, validation, and automation rebuild handoff
We freeze the source Tango CRM environment during cutover to prevent writeback during the delta migration window. After delta records are written, we run a spot-check reconciliation comparing 25-50 randomly selected records in Zoho against the source data. We deliver a written inventory of every active workflow, automation, or reporting configuration in Tango with a Zoho equivalent recommendation for the customer's admin to rebuild. We do not rebuild automations as part of the migration scope. A one-week hypercare window covers reconciliation issues raised by the customer's team post-go-live.
Platform deep dives
Tango CRM
Source
Strengths
Weaknesses
Zoho CRM
Destination
Strengths
Weaknesses
Complexity grading
Moderate CRM migration. 6 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Moderate migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Tango CRM and Zoho CRM.
Object compatibility
6 of 8 objects need a mapping; the rest are 1:1.
Field mapping clarity
Field mapping is derived from defaults — final spec confirmed during the sample migration.
Timeline complexity
8-object category — typical timelines run 2–7 days end-to-end.
API constraints
Tango CRM: Not publicly documented.
Data volume sensitivity
Tango CRM doesn't expose a bulk API — REST + parallelization used for high-volume runs.
Estimator
Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.
Step 1
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