Here is a Document Library of SharePoint. It only allows a few kinds of files to be uploaded. There are many extensions that SharePoint blocks. Here, you can configure the blocked file types for the Farm in Central Administration in our SharePoint 2013.

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How to configure?

Let’s open Central Admin of SharePoint on your machine. On your Windows desktop screen, click Start >> Administrative Tools >> SharePoint 2013 Central Administration.

  • Run it as an administrator to have the elevated privileges.
  • You will see the screenshot given below.

  • Central Admin is configured under the categories given above.
  • Click Security.

  • Go to General Security.

  • Click Define blocked file types.
  • You will see the screen given below.

Configure

Here, you will be able to see all the blocked file extensions displayed with respect to your Web Applications. You can choose a Web Application and allow or disallow the file extensions you want on your SharePoint libraries. To allow them to accessyour Document Library; you will need to delete it from the list and click OK. The extension will be unlocked.

There are the extensions of the files blocked from SharePoint 2013, which are given below.

  1. ade
  2. adp
  3. asa
  4. ashx
  5. asmx
  6. asp
  7. bas
  8. bat
  9. cdx
  10. cer
  11. chm
  12. class
  13. cmd
  14. cnt
  15. com
  16. config
  17. cpl
  18. crt
  19. csh
  20. der
  21. dll
  22. exe
  23. fxp
  24. gadget
  25. grp
  26. hlp
  27. hpj
  28. hta
  29. htr
  30. htw
  31. ida
  32. idc
  33. idq
  34. ins
  35. isp
  36. its
  37. jse
  38. json
  39. ksh
  40. lnk
  41. mad
  42. maf
  43. mag
  44. mam
  45. maq
  46. mar
  47. mas
  48. mat
  49. mau
  50. mav
  51. maw
  52. mcf
  53. mda
  54. mdb
  55. mde
  56. mdt
  57. mdw
  58. mdz
  59. msc
  60. msh
  61. msh1
  62. msh1xml
  63. msh2
  64. msh2xml
  65. mshxml
  66. msi
  67. ms-one-stub
  68. msp
  69. mst
  70. ops
  71. pcd
  72. pif
  73. pl
  74. prf
  75. prg
  76. printer
  77. ps1
  78. ps1xml
  79. ps2
  80. ps2xml
  81. psc1
  82. psc2
  83. pst
  84. reg
  85. rem
  86. scf
  87. scr
  88. sct
  89. shb
  90. shs
  91. shtm
  92. shtml
  93. soap
  94. stm
  95. svc
  96. url
  97. vb
  98. vbe
  99. vbs
  100. vsix
  101. ws
  102. wsc
  103. wsf
  104. wsh
  105. xamlx

In this article, we saw how to manage blocked file types in SharePoint 2013 Central Administration. There are more articles to come on Central Administration. Until then, keep reading and keep learning.