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 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
 The ASF licenses this file to You under the Apache License, Version 2.0
 (the "License"); you may not use this file except in compliance with
 the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

Fess also contains a Crawler, which can crawl documents on a [web server](https://fess.codelibs.org/14.12/admin/webconfig-guide.html), [file system](https://fess.codelibs.org/14.12/admin/fileconfig-guide.html), or [Data Store](https://fess.codelibs.org/14.12/admin/dataconfig-guide.html) (such as a CSV or database). Many file formats are supported including (but not limited to): Microsoft Office, PDF, and zip.