The Basics
Rollups & Columns
Creating and Migrating
Features and Views
Limits and Dependencies
100

How many additional levels of subitems are supported beneath a parent item?

Up to four additional levels.

100

Which five column types support the rollup feature?

Status, Priority, Date, Number, and Timeline

100

Is there a workaround to convert standard boards/project into MLS ones? 

No! Users need to manually migrate the data. 

100

Is the Kanban view recommended for multi-level subitems?

No, support is currently limited; standard two-level boards are recommended.

100

Can you "Group by" a rollup column?

No, grouping is only available for non-rollup columns

200

What is the maximum total number of items and subitems allowed on a multi-level board?

5,000 items and subitems

200

At which subitem level can items be updated manually in a rollup column?

At the lowest-level of subitems

200

Can users choose to show ONLY parent items in a dashboard or widget?

No!! All items and children are displayed. 

200

Does the Gantt view support multi-level subitems?

Yes, it supports the structure, critical path, and dependencies

200

Can Roll-up columns be used in Forms?

No, Roll-up columns cannot be used in Forms.

300
Is it possible to add extra subitems to already existing projects/boards? 
No. MLS is only enabled in newly created boards/projects
300
What's the difference in structure (items/subitems) between regular boards and MLS boards?. 
Regular boards could have different structures, MLS board have only one. Items and subitems share the same structure
300

What happens to an existing item-level value when migrating from a two-level board? (Rollup column)

It is overwritten by the corresponding value in the subitem

300

Is the Item ID column available for multi-level boards?

Yes!! The Item ID column is available

300

Down to what level can you create dependencies between items and sub-items?

All the way down to level four.

400

What is the maximum number of subitems a single parent item can have?

Up to 750 subitems across all levels

400

Can Formula or Mirror columns be used within Rollup columns?

No, they are not currently supported in Rollup columns

400

What happens to columns in your old project if they are not mapped during the migration process?

Any columns that are not mapped will not be migrated

400

Are Gmail automations supported for sub-items?

No, Gmail automations are not yet supported for sub-items, but they are available in workflows

400

If a rollup column is enabled and an item has only one subitem, can you manually edit the value at the item level? (something similar to show in parent item feature in standard boards). 

No!. Even with only one subitem, the value automatically rolls up to the parent item, and rolled-up values cannot be edited manually at higher levels. Only at the lowest-level subitem. 

500

Which specific columns cannot be deleted in a multi-level Project? ... and why?

 Owner, Status, Timeline, and Link to Project

500

How do you manually edit a value at a higher level in a rollup column?

You must first turn off the rollup feature for that column

500

How do you migrate automations, widgets, views and dashboards into MLS boards/projects?

You cannot migrate them automatically!! You must manually recreate them once the data transfer is complete :)

500

Which two specific column types are currently "not yet available"?

Autonumber and Required columns

500

What does the platform do if you try to use an automation recipe that is incompatible with multi-levels?

The platform will provide a pop-up indicating that the recipe is not compatible.