# Gmail label scaling limitations?

Are there any issues with creating a lot of labels in Gmail?

Things such as:

• Limit to the number of labels that can be created?
• UI concerns?
• Performance issues?
• Conflicts with certain Labs features or 3rd party software?

I can think of two:

• The label list on the left will be very large making it hard to find the labels you want. One solution is to use the Gmail Nested Labels Lab, which helps organize them.
• The iPhone mail client will present labels as a flat list, so it may be hard to get to the ones at the bottom.

I'd like to know which limitations I may run into before I decide to use this method.

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UI concerns... Yes, the list on the left is very long. However, I hardly even find that a problem. The visibility controls of labels are very helpful. The most frequently used/important labels are set to show, other used to show if unread, the rest - to hide. Then I use the search bar with label:[xyz] to navigate to more obscure labels.
For my most important labels, I put punctuation (!, -, etc.) at the front of the label, forcing them to the top of the list. –  Al E. Jun 21 '11 at 15:37