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Like most PPC campaign systems, there is a default cap at how many keywords, ad groups and so on you can have per account. Microsoft adCenter has their limits to:
- Keywords: 10,000 per adGroup
- Ads: 20 per adGroup
- Keyword Account Limit: 100,000
So you can basically max out your keyword list on a per account level to 100,000 keywords. I suspect a phone call to Microsoft, if needed, can help increase that limit, but I am not 100% sure about that.
adCenterRep adds he is "I am happy to assist" those with questions at a WebmasterWorld thread.
Forum discussion at WebmasterWorld.
Comments:
G.Suvorov
03/28/2008 12:52 pm
you should ry seodigger.com for keywords research! SEO Digger is a decent keyword gathering and research tool but what it really helps me with is determining a given site's overall theme and keyword focus. Apart from a list of search queries, wordtracker and overture results are also determined (keyword popularity calculated by Wordtracker.com). Data is also CSV-exportable.