AnsweredAssumed Answered

difficulty to use old shapefiles with Arcmap 10.5

Question asked by HisslerChristophe on Aug 7, 2020
Latest reply on Aug 18, 2020 by bking-esristaff

since Arcmap 10.5 is installed on my computer the icon of all of my old shapefiles appeared with a "?" and cannot be opened anymore. THe error message is " error opening a feature class".

How could I solve this problem?