Trello → ClickUp
Move Trello boards, cards, members, comments, and files into ClickUp with the Trello importer, without treating the load as a complete copy of cover images, Butler rules, or unmapped assignees.
Should you make this move?
Both platforms have a case. Compare what you gain with what you give up before scheduling the cutover.
Trello
- Visual boards are immediately understandable and require almost no training
- Structured ownership, status, and workflow views improve operational visibility
- Dependencies, planning depth, reporting, and scale expose its simplicity
- Custom fields, automations, history, and reporting are difficult to reproduce exactly
ClickUp
- A wide feature set can replace several work-management tools
- Structured ownership, status, and workflow views improve operational visibility
- Density, configuration options, and performance can overwhelm teams seeking simplicity
- Custom fields, automations, history, and reporting are difficult to reproduce exactly
ClickUp: A wide feature set can replace several work-management tools. This removes a major source-side concern: Dependencies, planning depth, reporting, and scale expose its simplicity.
What you lose: Visual boards are immediately understandable and require almost no training. What you inherit: Density, configuration options, and performance can overwhelm teams seeking simplicity.
Jump to a section
Know the shape of the move.
This timeline assumes
- Up to 80 Trello boards, 25,000 cards, and 200 members
- ClickUp Spaces exist before the Trello importer runs, or the team accepts a new Space per imported board.
- Every imported member is mapped to a ClickUp user or an invite before anyone trusts assignees.
- A representative board is imported and signed off before the remaining workspace.
- The migration team records evidence for every blocking verification check.
What survives the move.
“Partial” and “manual” are not footnotes. They are work that must be scheduled and verified.
| Item | Outcome | Impact | What happens | Mitigation |
|---|---|---|---|---|
| Boards become ClickUp Folders | partial | critical | ClickUp asks you to create Spaces first, then map each Trello board to a Folder. You can send a board into a new Space named after the Trello project, into an existing Space, or skip it. Related boards should land in the same Space. | Draw the Space and Folder map before you authorize Trello. Pilot one busy board, then import related boards into that Space. |
| Columns as statuses or as Lists | partial | critical | ClickUp gives two layouts. Columns as Statuses create one List named Imported from Trello and keep To do, In progress, Review, or Done as statuses. Columns as Lists turn each column into its own List. Those Lists are for grouping, not for moving a task through a workflow. | Pick one layout per board family. Do not mix both on boards that share a process. Compare card counts by original list after the load. |
| Assignees and unmapped members | partial | critical | You map Trello users to ClickUp members so assignees, history, and activity stay attached. Unmapped assignees are not preserved. ClickUp can invite by email during mapping if the person is not in the Workspace yet. | Finish the email sheet before import. Invite missing people first. Keep the Trello username on any card that stays unmatched. |
| Attachments and cover images | partial | high | Attachments import with a 1 GB file limit. Cover images do not import. Trello does not tell you how large the attachment set is until ClickUp finishes. | Download a Workspace export with raw attachments if files matter. Open a sample after import. Recreate covers that the team still uses. |
| Comments and recent activity | partial | high | ClickUp lists comments as an imported object. Trello's single-board JSON only keeps the 1,000 most recent actions, including comments. A Premium Workspace export is the path Trello documents for every comment. CSV never includes comments. | Take a Workspace JSON export before import if comment history matters. Compare comment counts on decision-heavy cards. |
| Custom fields | partial | high | Custom fields import, then sit hidden. ClickUp tells you to open List view, click the plus control, and show Hidden imported fields before anyone can see them. | Unhide imported fields on the pilot List. Archive values that did not land. |
| Archived cards | partial | high | ClickUp can import all cards or only open work. Trello CSV skips archived cards unless you add .csv to the board URL. Inbox cards cannot leave Trello until you move them onto a board. | Move Inbox cards first. Decide all-cards versus open-only before the importer runs. Export archived cards from Trello if you still need them. |
| Checklists, tags, priority, and due dates | partial | high | ClickUp lists checklists, tags, priority, due date, description, name, status, and date created as in-scope. You still have to confirm each one on a sample, because layout choice changes how status appears. | Pilot a card that has a checklist, a due date, a priority, and tags. Rebuild anything that is blank in ClickUp. |
| Butler rules, Power-Ups, and board extras | lost | critical | ClickUp's Trello import list does not include Butler automation, Power-Ups, board backgrounds, or voting. Trello also says you cannot recreate a board from JSON or CSV. | Export the Butler rule list. Recreate only the ClickUp Automations people use weekly. Keep Trello readable for Power-Up history. |
| Import time and Trello rate limits | manual | high | ClickUp says a Trello import can take one minute to a few hours, depending on data size and Trello rate limits. It emails you when the job finishes. | Import the pilot first. Do not freeze Trello on the same morning you start a large workspace load. |
| Live Trello writers after ClickUp intake starts | partial | high | The importer is a point-in-time copy. Butler and new cards keep writing on Trello unless you stop them. | Freeze Trello writes and Butler before ClickUp owns intake. Keep Trello readable through rollback. |
Where each thing goes.
| Source | Destination | Method | Notes |
|---|---|---|---|
| Trello board | ClickUp Folder in a new or existing Space | transform | Create Spaces first. Related boards share a Space. |
| List or column | ClickUp status, or a List named after the column | transform | The layout choice locks later workflow. |
| Card title and description | Task name and description | automatic | Keep the Trello card URL in the description. |
| Members | ClickUp assignee | manual | Unmapped assignees are dropped. |
| Comment | ClickUp comment | transform | CSV will not carry comments. Prefer a Workspace JSON archive. |
| Attachment | ClickUp file, 1 GB limit | transform | Cover images stay out. |
| Custom field | Hidden imported ClickUp field until you unhide it | transform | Show Hidden imported fields on the List. |
| Tag, priority, or due date | Matching ClickUp field | transform | Confirm each one on the pilot. |
| Cover image, Butler rule, or Power-Up | No destination | unsupported | Recreate covers and selected Automations after intake moves. |
Make the move recoverable.
Create the source-of-truth backup
Preserve Trello boards, cards, comments, files, and members before any ClickUp write.
- Export each in-scope board as JSON. Take a Premium Workspace export if you need every comment.
- Include raw attachments in the Workspace zip when history files matter.
- Move Inbox cards onto a board before export. Count archived cards.
- Hash every export and keep a member email sheet.
Proof to capture: A signed manifest reconciles every scoped board, card class, export file, count, and hash.
Space, Folder, and user map
Decide hierarchy and people before ClickUp talks to Trello.
- Create destination Spaces. Map each board to a Folder and a columns-as-statuses or columns-as-Lists choice.
- Collect a valid email for every member you will invite.
- Mark archived cards, Inbox cards, and boards you will skip.
Proof to capture: Save the input, output, command or tool settings, warnings, and final item counts.
Authorized Trello import
Load boards without dropping assignees or hiding custom fields.
- Authorize Trello, map the pilot board, and map every member.
- Unhide imported custom fields. Compare cards, comments, and files against the JSON export.
- Only then import the remaining related boards into the same Space.
Proof to capture: Save the input, output, command or tool settings, warnings, and final item counts.
The things most likely to hurt.
These are operating limits. Treat every “Stop if” condition as a blocked migration, not a suggestion.
Unmapped assignees disappear
ClickUp keeps the card but drops assignees you did not map.
- Consequence
- Active work looks ownerless.
- Mitigation
- Finish the email sheet and invites first. Keep the Trello username on unmatched cards.
Stop if: A critical card has no recoverable owner.
The wrong column layout hides the workflow
Columns imported as Lists no longer move a task through To do, In progress, and Done.
- Consequence
- The team thinks cards vanished when they only sit in another List.
- Mitigation
- Pilot both layouts on a copy if you are unsure. Reconcile counts by original list.
Stop if: List counts and the signed layout disagree after the pilot.
Both tools keep writing
Butler still runs on Trello while ClickUp Automations start on the same work.
- Consequence
- Statuses diverge and comments duplicate.
- Mitigation
- Turn off Butler and freeze Trello writes before ClickUp owns intake.
Stop if: An unapproved Trello writer remains active.
Do the work in this order.
- Days 1–4 · inventory
Inventory and mode choice
8–16 hours active3–4 days elapsedOwner review waiting- Inventory boards, lists, members, Power-Ups, Butler rules, and Inbox cards.
- Choose Space layout, column mapping, and what stays archived in Trello.
Depends on: Trello Workspace admin and ClickUp Workspace admin access
Stop / go checkpointExport?
Go when: Every critical board has an owner and disposition.
Stop when: Column layout, emails, or consent is unclear.
- Days 4–7 · backup
Backup and reconcile
6–12 hours active2–3 days elapsedWorkspace export processing waiting- Create JSON and attachment exports.
- Reconcile counts, hashes, and the member email sheet.
Depends on: Approved inventory
Stop / go checkpointTransform?
Go when: Source totals and export manifests agree.
Stop when: Any critical board, comment class, or attachment set is absent.
- Days 7–18 · pilot
Map and pilot
14–45 hours active6–11 days elapsedOwner review of the sample waiting- Import one board that includes a checklist, a file, a custom field, and a member without ClickUp access.
- Unhide imported fields and compare cards, comments, and attachments.
Depends on: Verified backup
Stop / go checkpointScale?
Go when: Pilot mappings, access, and evidence pass.
Stop when: Any critical check fails or a count is unexplained.
- Days 16–28 · cutover
Final delta and switch
6–24 hours active2–6 days elapsedRemaining board imports waiting- Freeze Trello writes and Butler.
- Import the remaining boards, switch intake, and run blocking checks.
Depends on: Passed pilot and approved rollback
Stop / go checkpointOpen production?
Go when: Every in-scope card is accounted for and ClickUp owns intake.
Stop when: A Trello writer remains active or a blocking check fails.
- Days 20–40 · observe
Observe and close
4–18 hours active5–12 days elapsedOne planning cycle waiting- Watch one complete planning and delivery cycle.
- Sign the verification report before you close rollback.
Depends on: Verified cutover
Stop / go checkpointClose rollback?
Go when: No trigger occurs during the agreed observation period.
Stop when: Work, access, or reporting regresses.
Cut over with a way back.
Cutover
Make ClickUp the only intake system without losing the final Trello delta.
- Freeze Trello writes, Butler, and new card intake.
- Export and import the final changed boards or cards.
- Switch forms, email, and client links to ClickUp.
- Run every blocking check and keep Trello readable.
- Keep the source intact through the rollback window.
Proof to capture: ClickUp owns intake, every in-scope Trello card is accounted for, and every blocking check has evidence.
Rollback
Return intake to Trello without losing ClickUp-era changes.
- Stop new writes and Automations in ClickUp.
- Restore Trello access, Butler, and intake.
- Export the ClickUp post-cutover delta.
- Review and apply safe destination-era changes to Trello.
- Run the same blocking checks against Trello.
Proof to capture: Trello again owns intake with current work and no duplicate ClickUp action.
- Unexplained missing Trello cards
- Missing or exposed comments or files
- Duplicate production action
- Failed access or assignment check
- A critical workflow has no safe ClickUp replacement
Prove the migration worked.
Every blocking check must pass. Capture the evidence before cleanup begins.
| Pass | ID | Check | Method | Expected result | Evidence |
|---|---|---|---|---|---|
V-01Blocking | Card reconciliation | Compare every in-scope Trello card to a ClickUp task, archive, or exclusion. | 100% of scoped cards are accounted for. | Card ledger. | |
V-02Blocking | Columns and layout | Compare each Trello list to a ClickUp status or List. | Placement matches the signed columns-as-statuses or columns-as-Lists map. | Hierarchy report. | |
V-03Blocking | Assignees and invites | Test mapped, invited, and unmatched members. | Assignments follow the sheet. Unmatched usernames remain on the task. | User matrix. | |
V-04Blocking | Custom fields visible | Open the pilot List and show Hidden imported fields. | Each imported custom field is visible, archived, or excluded. | Field exception list. | |
V-05Blocking | Comments and files | Open decision-heavy cards and their attachments as ordinary users. | Required history and files work without a Trello login. Covers that matter were recreated. | Context log. | |
V-06Blocking | Archived and Inbox cards | Compare archived Trello items and former Inbox cards to the import option you chose. | Each item is imported, skipped with a signed reason, or still on a Trello board. | Archive ledger. | |
V-07Blocking | Single writer | Create and update a test card after freeze. | Only ClickUp acts. Trello stays still. | Automation log. | |
V-08Blocking | Permissions | Test admin, member, guest, and unauthorized accounts. | Least privilege holds. | Access matrix. |
Remove the scaffolding safely.
Safe after: One complete planning cycle, at least seven stable days, and owner sign-off on every blocking check.
- Archive Trello exports, maps, and verification evidence.
- Revoke the Trello authorization used for the ClickUp importer.
- Remove obsolete Butler rules, Power-Ups, and webhooks.
- Keep Trello read-only through the approved retention window.
- Cancel paid Trello plans only after billing, legal, and recovery review.
- Schedule the next ClickUp backup, access, and playbook review.
When the plan met reality.
First-hand accounts are preferred. Vendor case studies are labeled, and every note below is an editorial paraphrase—follow the link for the full context.
The Carrylove Designs owner wrote on 15 March 2021 that Trello worked for a two-person shop and failed as the studio grew toward nine people. Missed notifications when clients forgot to tag a designer, weak task sharing, and no time tracking were the reasons to leave. They hired a ClickUp workflow specialist because their Signature Experience already had a four-part client process, and they rebuilt the map around onboarding through launch instead of week columns. They kept Trello for internal copy, captions, templates, and blueprints. The stated mistake was switching during a pandemic busy season. The post is a process diary. It does not describe ClickUp's Trello importer, cover images, or custom-field hiding.
- Rebuild the client process in ClickUp before you import boards, the way Carrylove mapped the Signature Experience instead of copying week columns.
- Treat this post as a staffing and timing note. Still pilot ClickUp's Trello importer if you need historical comments and files.
- They left Trello because notifications and time tracking failed at a larger headcount, not because an importer failed.
- They kept Trello as a side archive, so a full board cutover was not the story they told.
Jessica Rodriguez wrote on 21 March 2022 that Trello was easy when the business was her plus a VA: visual boards, templates, and a free plan with ten boards. Growth made one-board-at-a-time visibility the bottleneck. Tasks slipped because she could not see every project at once, and workarounds ate more time than the work. ClickUp won on list, board, calendar, Gantt, and table views, per-person dashboards, custom statuses, and guest access for short-term contractors. She warns that ClickUp takes setup time and that templates can limit a shop that needs its own structure. The post compares daily use. It does not describe a Trello board import, assignee mapping, or attachment limits.
- If the reason to leave is cross-board visibility, test ClickUp dashboards and custom statuses with the live team before you import history.
- Budget setup time. Rodriguez says figuring out Spaces and handing the build to a teammate mattered more than using a template.
- The switch was about seeing all projects at once, not about a documented data-loss event.
- Guest access for contractors was a billed-seat reason, so a card import alone would not have finished the move.
Verify against the primary material.
Platform behavior changes. Check these sources and the review dates above before executing a production migration.
- ClickUp: import from TrelloAccessed 2026-10-27
- Trello: export data from TrelloAccessed 2026-10-27
- ClickUp: import to ClickUpAccessed 2026-10-27