Although inventory adjustments are currently not supported in Netsuite’s CSV Import tool, you can still accomplish them with Celigo’s Excel SmartClient.
With only a few minutes of setup time, you can import inventory adjustments from Excel into Netsuite using Celigo’s Excel SmartClient.
Similar to using an Adjust Inventory form in Netsuite, using the SmartClient to adjust inventory [...]

NetSuite has a user interface, as well as CSV Import and Mass Update. So why do customers keep asking us for a way to work with their NetSuite data in Excel? Because it saves time, gives you access to records that CSV Import and Mass Update do not, and it enables your typical business user [...]

Do you feel that your data management needs are always one step ahead of NetSuite’s capabilities? Mass updates and CSV imports are great, but what about mass deletes or all those record types that are still unsupported. Of course all this can be done with web services, but who really has the time or experience to build a reliable data manager? Well, we are very pleased to announce the release of the first fully functional CSV data management utility–supporting all NetSuite web service record types. Our solution runs entirely within your NetSuite account–in full accord with NetSuite’s one system, no limits philosophy.