File list (Check if you may need any files):
dec
...\db
...\..\dec.asm.qmsg
...\..\dec.cbx.xml
...\..\dec.cmp.cdb
...\..\dec.cmp.hdb
...\..\dec.cmp.logdb
...\..\dec.cmp.rdb
...\..\dec.cmp.tdb
...\..\dec.cmp0.ddb
...\..\dec.db_info
...\..\dec.eco.cdb
...\..\dec.fit.qmsg
...\..\dec.hier_info
...\..\dec.hif
...\..\dec.lpc.html
...\..\dec.lpc.rdb
...\..\dec.lpc.txt
...\..\dec.map.cdb
...\..\dec.map.hdb
...\..\dec.map.logdb
...\..\dec.map.qmsg
...\..\dec.pre_map.cdb
...\..\dec.pre_map.hdb
...\..\dec.rtlv.hdb
...\..\dec.rtlv_sg.cdb
...\..\dec.rtlv_sg_swap.cdb
...\..\dec.sgdiff.cdb
...\..\dec.sgdiff.hdb
...\..\dec.sld_design_entry.sci
...\..\dec.sld_design_entry_dsc.sci
...\..\dec.syn_hier_info
...\..\dec.tan.qmsg
...\..\dec.tis_db_list.ddb
...\..\dec.tmw_info
...\..\prev_cmp_dec.asm.qmsg
...\..\prev_cmp_dec.fit.qmsg
...\..\prev_cmp_dec.map.qmsg
...\..\prev_cmp_dec.qmsg
...\..\prev_cmp_dec.tan.qmsg
...\..\wed.wsf
...\dec.asm.rpt
...\dec.cdf
...\dec.done
...\dec.fit.rpt
...\dec.fit.summary
...\dec.flow.rpt
...\dec.map.rpt
...\dec.map.summary
...\dec.pin
...\dec.pof
...\dec.qpf
...\dec.qsf
...\dec.qws
...\dec.tan.rpt
...\dec.tan.summary
...\dec.vhd
...\dec.vhd.bak
...\dec_assignment_defaults.qdf
...\incremental_db
...\..............\compiled_partitions
...\..............\...................\dec.root_partition.map.kpt
...\..............\README