CRM migration
Field-level mapping, validation, and rollback between Thomson Reuters Case Center and Zoho CRM. We move data and schema; workflows are rebuilt natively in Zoho CRM.
Thomson Reuters Case Center
Source
Zoho CRM
Destination
Compatibility
10 of 12
objects map 1:1 between Thomson Reuters Case Center and Zoho CRM.
Complexity
BStandard
Timeline
3–5 days
Overview
Thomson Reuters Case Center organizes data around Cases (the primary container), Documents (files attached to a case), and Parties (individuals or organizations linked to a case). It has no native Opportunity, Lead, or pipeline concept. Zoho CRM uses Leads, Contacts, Accounts, and Deals as its core objects, with Deals tied to Stages that represent pipeline states. We map Case Center Cases to Zoho Deals — the Case Number becomes the Deal name, the Case Status maps to a Zoho Stage pick-list, and the case description becomes the Deal notes. Parties migrate as Contacts with their primary company becoming an Account in Zoho. When a party plays multiple roles across multiple cases, we preserve those role assignments as a custom multi-select pick-list on the Contact. Documents that were stored in Case Center get re-uploaded as Zoho Attachments linked to the corresponding Deal record — original file names, sizes, and upload timestamps are preserved in custom fields. Case Center's custom fields (admin-defined metadata on Cases, Parties, or Documents) require custom field creation in Zoho CRM before migration, as Zoho has no equivalent meta-field construct. Thomson Reuters exposes a REST API with a 2000-token/10-minute rate limit and 8000-request/2-minute application ceiling. We pace our extraction calls to stay within those limits, batching record fetches and spacing requests accordingly. Zoho's own API credit system (1 credit per standard call, up to 500 credits per Bulk Write operation) determines how aggressively we can write records on the destination side. The migration does not move Case Center's workflow constructs, hearing templates, or filing rules — those are destination-side configuration that must be rebuilt in Zoho. We export Case Center's workflow definitions as a JSON reference document so your Zoho admin can reconstruct them using Zoho Blueprint or Deluge scripts.
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 Thomson Reuters Case Center 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.
Thomson Reuters Case Center
Case
Zoho CRM
Deal
1:1Each Case Center Case becomes a Zoho CRM Deal. The Case Number populates Deal Name; Case Status maps to a Zoho Stage value via value_mapping; the Case description becomes the Deal notes field. Original creation date and last-modified date are preserved as custom datetime fields since Zoho's CreatedDate is set at migration time.
Thomson Reuters Case Center
Case
Zoho CRM
Custom Module: Case Records
1:1If the organization tracks Case Center-specific metadata (hearing type, filing jurisdiction, case category) that has no natural Zoho Deal equivalent, we create a Zoho Custom Module named 'Case Records' and map those fields into it, linked to the Deal via a lookup.
Thomson Reuters Case Center
Party
Zoho CRM
Contact + Account
many:1Case Center Parties are individuals or organizations. Organization-type parties map to Zoho Accounts; individual parties map to Zoho Contacts linked to the Account. The Party Type field ('Individual' or 'Organization') drives the split. For parties without an organization, a default 'Unassigned Account' record is created.
Thomson Reuters Case Center
Party Role
Zoho CRM
Contact Role or Multi-Select Custom Field
1:manyCase Center allows a Party to hold multiple roles on a single Case (e.g., Plaintiff, Witness). When a Contact plays one role, we use Zoho's built-in Contact Role on the Deal-Contact relationship. When a Contact plays multiple roles across cases, we create a multi-select pick-list field (Party_Roles__c) on the Contact and populate it with all applicable role values from Case Center.
Thomson Reuters Case Center
Document
Zoho CRM
Attachment + Custom Fields
1:1Case Center Documents (PDFs, images, audio, video) are downloaded from Case Center storage and re-uploaded as Zoho CRM Attachments on the corresponding Deal record. Original file name, file size in bytes, upload timestamp, and page count (if available from Case Center metadata) are stored as custom text fields on the Deal for audit continuity.
Thomson Reuters Case Center
Document Version
Zoho CRM
Custom Text Field on Attachment Parent Deal
1:1Case Center tracks document version numbers. Zoho CRM Attachments have no native versioning. We store the version string (e.g., 'v3.1') in a custom text field on the Deal and include it in the file-naming convention (filename_v3.1.pdf) so the version is recoverable without a separate version-history table.
Thomson Reuters Case Center
Hearing
Zoho CRM
Event
1:1Case Center Hearing records (scheduled date, duration, presiding judge, hearing type) map to Zoho CRM Events. The hearing title becomes the Event subject; start and end times map from Case Center's hearing schedule; the judge name is stored in a custom text field. If Case Center records multiple hearing dates for one case, each becomes a separate Zoho Event.
Thomson Reuters Case Center
Note / Annotation
Zoho CRM
Note
1:1Case Center annotations and notes attached to a Document or Case migrate as Zoho CRM Notes. The note body, author, and timestamp are preserved. If the note is rich-text or includes markup, we store the raw HTML in a custom long-text field in case formatting cannot be fully preserved in Zoho's note editor.
Thomson Reuters Case Center
Case Custom Field (admin-defined)
Zoho CRM
Zoho Custom Field
1:1Case Center administrators can define custom fields on Cases, Parties, or Documents. Each custom field is audited during the schema assessment: its data type (text, number, date, pick-list) determines the Zoho field type to create, and pick-list values are replicated exactly. Required flags on the source are noted for Zoho admin to set post-migration.
Thomson Reuters Case Center
Case Owner / Assigned Attorney
Zoho CRM
Deal Owner (User lookup)
1:1Case Center assigns a Case Owner or Assigned Attorney to each case. We resolve by email match against active Zoho CRM users. Unmatched attorneys are flagged with their Case Center ID stored in a custom field; the Deal is assigned to a designated fallback Zoho user until the attorney account is provisioned.
Thomson Reuters Case Center
Case Center User Account
Zoho CRM
Zoho User
1:1Case Center user accounts (admin, attorney, paralegal, court staff roles) do not map to Zoho CRM users because the permission models are entirely different. We preserve Case Center user names and email addresses in a custom field on the Deal for reference. Zoho user provisioning is a separate administrative step after migration.
Thomson Reuters Case Center
Filing / Docket Entry
Zoho CRM
Task
1:1Case Center docket entries and filing records map to Zoho CRM Tasks. The task subject carries the docket description; the due date maps from the filing deadline; the status maps from Case Center's filing status (Pending, Filed, Rejected). Tasks are linked to the parent Deal.
| Thomson Reuters Case Center | Zoho CRM | Compatibility | |
|---|---|---|---|
| Case | Deal1:1 | Fully supported | |
| Case | Custom Module: Case Records1:1 | Fully supported | |
| Party | Contact + Accountmany:1 | Fully supported | |
| Party Role | Contact Role or Multi-Select Custom Field1:many | Fully supported | |
| Document | Attachment + Custom Fields1:1 | Fully supported | |
| Document Version | Custom Text Field on Attachment Parent Deal1:1 | Fully supported | |
| Hearing | Event1:1 | Fully supported | |
| Note / Annotation | Note1:1 | Fully supported | |
| Case Custom Field (admin-defined) | Zoho Custom Field1:1 | Fully supported | |
| Case Owner / Assigned Attorney | Deal Owner (User lookup)1:1 | Fully supported | |
| Case Center User Account | Zoho User1:1 | Fully supported | |
| Filing / Docket Entry | Task1:1 | 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.
Thomson Reuters Case Center gotchas
Court-hosted vs. firm-hosted deployment affects migration scope
No public API documentation for direct data extraction
Multimedia evidence requires separate media handling
Redaction metadata may not survive cross-platform migration intact
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
Audit source data model and Zoho API credit budget
FlitStack AI exports a full inventory of all Cases, Parties, Documents, Hearings, and Notes from Case Center via its REST API, respecting the 2000-token/10-minute rate limit by pacing calls and tracking X-Ratelimit-Remaining headers. We simultaneously audit the destination Zoho CRM account: listing existing modules, custom fields, and pick-list values. We retrieve available API credits via Zoho's /crm/v8/settings/org API and calculate whether the document volume can be written within one 24-hour credit window or requires a staged approach. The output is a data inventory report showing record counts per entity type, identified custom fields, and a Zoho custom-field creation plan.
Build field-level mapping and sequence plan
We produce a detailed field-mapping spreadsheet covering every Case Center field (standard and custom) with its Zoho destination. For multi-role Party-to-Case mappings, we document which role is designated primary for the Zoho Contact Role field and which roles populate the multi-select Party_Roles__c field. Documents are sequenced to be written after their parent Cases are confirmed created in Zoho (parent Deal ID is required for Zoho Attachment upload). We define the value maps for case_status-to-Stage, filing_status-to-Task_Status, and any pick-list fields. The mapping plan is reviewed with the client before any writes occur.
Create Zoho custom fields and pick-lists
Before any record data is written, FlitStack AI creates all required Zoho custom fields via the POST /crm/v8/settings/fields endpoint. This includes Case_Type__c, Jurisdiction__c, Party_Roles__c (multi-select), Filing_Date__c, Exhibit_Number__c, Page_Count__c, Document_Version__c, Judge_Name__c, and the source-system ID fields. Pick-list values are added via the Zoho field metadata API so value_mapping operates against a complete set of options. This step requires the Zoho admin credentials with field-creation permissions and runs against the client's live Zoho account (or a sandbox if preferred).
Resolve owners and run sample migration
Case Center assigned attorneys and case owners are resolved by email against Zoho CRM users. Unmatched attorneys are flagged with a migration holding note; the Deal is assigned to a designated fallback Zoho user. We then run a sample migration using a representative slice — typically 50–100 Cases with their associated Parties, Documents (up to 5 files each), Hearings, and Notes. The field-level diff compares source and destination values for every mapped field, flagging any truncation, pick-list mismatch, or missing relationship. The sample run validates the document-upload sequencing and Zoho credit consumption rate before the full dataset is committed.
Execute full migration with delta-pickup window
The full migration loads Cases first (parent records), then Parties (Contacts and Accounts), then Documents as Attachments on the parent Deal, then Hearings as Events, Notes as Notes, and docket entries as Tasks. All operations are batched and spaced to respect Case Center's token rate limit on read and Zoho's credit ceiling on write. After the primary migration window closes, a delta-pickup window of 24–48 hours captures any Cases modified or new Parties added in Case Center during the cutover period. The audit log records every operation with timestamps, record IDs, and status.
Platform deep dives
Thomson Reuters Case Center
Source
Strengths
Weaknesses
Zoho CRM
Destination
Strengths
Weaknesses
Complexity grading
Standard CRM migration. 1 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Standard migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Thomson Reuters Case Center and Zoho CRM.
Object compatibility
1 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
Thomson Reuters Case Center: Thomson Reuters developer portal documents API rate limits for other products but Case Center-specific API documentation is not publicly available.
Data volume sensitivity
Thomson Reuters Case Center 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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