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I recently acquired a shapefile that when added in ArcMap 10.2, the software says it has an unknown spatial reference system. The X and Y coordinates are both 6 digit coordinates (for example, 712568.799, 257083.471).

I would like to be helped on how to convert these coordinates to Arc 1950 UTM Zone 36s which is a system used in Malawi. If the Y coordinate had 8 in front it could have worked perfectly but this is not the case.

PolyGeo
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F. Manda
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  • Without knowing what the source coordinate system is you're going to struggle to convert it to another. Can you find out what coordinate system was used from the data provider? – T_Bacon Apr 19 '17 at 13:14
  • The problem is even the data provider can not remember the shapefile coordinate system. However, he remembers that it was created using ArcView software. Is there a way of knowing the coordinate system without asking the data provider? – F. Manda Apr 19 '17 at 13:25
  • Is there a .PRJ file included with the shape file? I'm not an ArcGIS user but I'm pretty sure the projection data is usually stored in a .PRJ file with the shapefile format. – T_Bacon Apr 19 '17 at 14:02
  • Welcome to GIS SE! As a new user please take the [tour] to learn about our focused Q&A format. – Midavalo Apr 19 '17 at 14:17
  • The projection file is missing. The software is only able to draw the shapefile but projecting it seems impossible. Do you think I can create a .PRJ file from it? – F. Manda Apr 19 '17 at 14:17

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