SharePoint Online: Easily roll-up or combine lists with ListAggregator
Ever tried to recursively roll-up list content from a SharePoint site structure? There are no out-of-the-box solutions available for this. So you can build something by yourself for example using the Data View Web Part or the Content Query Web Part. The drawback of these approaches is that the rolled-up data are not persistent so you have limited possibilities to process these data. With ListAggregator you can recursively aggregate the list-content of a site structure to a destination list in the root site. As this is a normal SharePoint-list there are no limits to processing data in this list.
If this is for you then get ListAggregator from Appsource in a minute and you’re ready to roll-up.