diff --git a/backend/sharefile/replace.go b/backend/sharefile/replace.go
deleted file mode 100644
index 3f8f4b8eb..000000000
--- a/backend/sharefile/replace.go
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-Translate file names for sharefile
-*/
-
-package sharefile
-
-import (
-	"regexp"
-	"strings"
-)
-
-// charMap holds replacements for characters
-//
-// Sharefile has a restricted set of characters compared to other
-// cloud storage systems, so we to map these to the FULLWIDTH unicode
-// equivalents
-//
-// http://unicode-search.net/unicode-namesearch.pl?term=SOLIDUS
-var (
-	charMap = map[rune]rune{
-		'\\': '＼', // FULLWIDTH REVERSE SOLIDUS
-		'*':  '＊', // FULLWIDTH ASTERISK
-		'<':  '＜', // FULLWIDTH LESS-THAN SIGN
-		'>':  '＞', // FULLWIDTH GREATER-THAN SIGN
-		'?':  '？', // FULLWIDTH QUESTION MARK
-		':':  '：', // FULLWIDTH COLON
-		'|':  '｜', // FULLWIDTH VERTICAL LINE
-		'"':  '＂', // FULLWIDTH QUOTATION MARK
-		'.':  '．', // FULLWIDTH FULL STOP
-		' ':  '␠', // SYMBOL FOR SPACE
-	}
-	invCharMap            map[rune]rune
-	fixStartingWithPeriod = regexp.MustCompile(`(/|^)\.`)
-	fixEndingWithPeriod   = regexp.MustCompile(`\.(/|$)`)
-	fixStartingWithSpace  = regexp.MustCompile(`(/|^) `)
-	fixEndingWithSpace    = regexp.MustCompile(` (/|$)`)
-)
-
-func init() {
-	// Create inverse charMap
-	invCharMap = make(map[rune]rune, len(charMap))
-	for k, v := range charMap {
-		invCharMap[v] = k
-	}
-}
-
-// replaceReservedChars takes a path and substitutes any reserved
-// characters in it
-func replaceReservedChars(in string) string {
-	// Names can't start with a period '.'
-	in = fixStartingWithPeriod.ReplaceAllString(in, "$1"+string(charMap['.']))
-	// Names can't end with a period '.'
-	in = fixEndingWithPeriod.ReplaceAllString(in, string(charMap['.'])+"$1")
-	// Names can't start with space
-	in = fixStartingWithSpace.ReplaceAllString(in, "$1"+string(charMap[' ']))
-	// Names can't end with space
-	in = fixEndingWithSpace.ReplaceAllString(in, string(charMap[' '])+"$1")
-	// Replace reserved characters
-	return strings.Map(func(c rune) rune {
-		if replacement, ok := charMap[c]; ok && c != '.' && c != '~' && c != ' ' {
-			return replacement
-		}
-		return c
-	}, in)
-}
-
-// restoreReservedChars takes a path and undoes any substitutions
-// made by replaceReservedChars
-func restoreReservedChars(in string) string {
-	return strings.Map(func(c rune) rune {
-		if replacement, ok := invCharMap[c]; ok {
-			return replacement
-		}
-		return c
-	}, in)
-}
diff --git a/backend/sharefile/replace_test.go b/backend/sharefile/replace_test.go
deleted file mode 100644
index 9450d69a9..000000000
--- a/backend/sharefile/replace_test.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package sharefile
-
-import "testing"
-
-func TestReplace(t *testing.T) {
-	for _, test := range []struct {
-		in  string
-		out string
-	}{
-		{"", ""},
-		{"abc 123", "abc 123"},
-		{`\*<>?:|#%".~`, `＼＊＜＞？：｜#%＂.~`},
-		{`\*<>?:|#%".~/\*<>?:|#%".~`, `＼＊＜＞？：｜#%＂.~/＼＊＜＞？：｜#%＂.~`},
-		{" leading space", "␠leading space"},
-		{"trailing space ", "trailing space␠"},
-		{".leading dot", "．leading dot"},
-		{"trailing dot.", "trailing dot．"},
-		{" leading space/ leading space/ leading space", "␠leading space/␠leading space/␠leading space"},
-		{"trailing dot./trailing dot./trailing dot.", "trailing dot．/trailing dot．/trailing dot．"},
-		{".leading dot/..leading dot/.leading dot", "．leading dot/．.leading dot/．leading dot"},
-	} {
-		got := replaceReservedChars(test.in)
-		if got != test.out {
-			t.Errorf("replaceReservedChars(%q) want %q got %q", test.in, test.out, got)
-		}
-		got2 := restoreReservedChars(got)
-		if got2 != test.in {
-			t.Errorf("restoreReservedChars(%q) want %q got %q", got, test.in, got2)
-		}
-	}
-}
diff --git a/backend/sharefile/sharefile.go b/backend/sharefile/sharefile.go
index 0b179eb00..09308146f 100644
--- a/backend/sharefile/sharefile.go
+++ b/backend/sharefile/sharefile.go
@@ -90,6 +90,7 @@ import (
 	"github.com/rclone/rclone/fs/config/configmap"
 	"github.com/rclone/rclone/fs/config/configstruct"
 	"github.com/rclone/rclone/fs/config/obscure"
+	"github.com/rclone/rclone/fs/encodings"
 	"github.com/rclone/rclone/fs/fserrors"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/lib/dircache"
@@ -100,6 +101,8 @@ import (
 	"golang.org/x/oauth2"
 )
 
+const enc = encodings.Sharefile
+
 const (
 	rcloneClientID              = "djQUPlHTUM9EvayYBWuKC5IrVIoQde46"
 	rcloneEncryptedClientSecret = "v7572bKhUindQL3yDnUAebmgP-QxiwT38JLxVPolcZBl6SSs329MtFzH73x7BeELmMVZtneUPvALSopUZ6VkhQ"
@@ -298,7 +301,7 @@ func (f *Fs) readMetaDataForIDPath(ctx context.Context, id, path string, directo
 	}
 	if path != "" {
 		opts.Path += "/ByPath"
-		opts.Parameters.Set("path", "/"+replaceReservedChars(path))
+		opts.Parameters.Set("path", "/"+enc.FromStandardPath(path))
 	}
 	var item api.Item
 	var resp *http.Response
@@ -592,7 +595,7 @@ func (f *Fs) FindLeaf(ctx context.Context, pathID, leaf string) (pathIDOut strin
 // CreateDir makes a directory with pathID as parent and name leaf
 func (f *Fs) CreateDir(ctx context.Context, pathID, leaf string) (newID string, err error) {
 	var resp *http.Response
-	leaf = replaceReservedChars(leaf)
+	leaf = enc.FromStandardName(leaf)
 	var req = api.Item{
 		Name:      leaf,
 		FileName:  leaf,
@@ -661,7 +664,7 @@ func (f *Fs) listAll(ctx context.Context, dirID string, directoriesOnly bool, fi
 			fs.Debugf(f, "Ignoring %q - unknown type %q", item.Name, item.Type)
 			continue
 		}
-		item.Name = restoreReservedChars(item.Name)
+		item.Name = enc.ToStandardName(item.Name)
 		if fn(item) {
 			found = true
 			break
@@ -870,7 +873,7 @@ func (f *Fs) updateItem(ctx context.Context, id, leaf, directoryID string, modTi
 			"overwrite": {"false"},
 		},
 	}
-	leaf = replaceReservedChars(leaf)
+	leaf = enc.FromStandardName(leaf)
 	// FIXME this appears to be a bug in the API
 	//
 	// If you set the modified time via PATCH then the server
@@ -1116,7 +1119,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (dst fs.Obj
 	if err != nil {
 		return nil, err
 	}
-	srcLeaf = replaceReservedChars(srcLeaf)
+	srcLeaf = enc.FromStandardName(srcLeaf)
 	_ = srcParentID
 
 	// Create temporary object
@@ -1124,7 +1127,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (dst fs.Obj
 	if err != nil {
 		return nil, err
 	}
-	dstLeaf = replaceReservedChars(dstLeaf)
+	dstLeaf = enc.FromStandardName(dstLeaf)
 
 	sameName := strings.ToLower(srcLeaf) == strings.ToLower(dstLeaf)
 	if sameName && srcParentID == dstParentID {
@@ -1387,7 +1390,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if err != nil {
 		return err
 	}
-	leaf = replaceReservedChars(leaf)
+	leaf = enc.FromStandardName(leaf)
 	var req = api.UploadRequest{
 		Method:       "standard",
 		Raw:          true,
diff --git a/fs/encodings/encodings.go b/fs/encodings/encodings.go
index ac6211747..d00ac02a1 100644
--- a/fs/encodings/encodings.go
+++ b/fs/encodings/encodings.go
@@ -302,6 +302,18 @@ const QingStor = encoder.MultiEncoder(
 		encoder.EncodeCtl |
 		encoder.EncodeSlash)
 
+// Sharefile is the encoding used by the sharefile backend
+const Sharefile = encoder.MultiEncoder(
+	uint(Base) |
+		encoder.EncodeWin | // :?"*<>|
+		encoder.EncodeBackSlash | // \
+		encoder.EncodeCtl |
+		encoder.EncodeRightSpace |
+		encoder.EncodeRightPeriod |
+		encoder.EncodeLeftSpace |
+		encoder.EncodeLeftPeriod |
+		encoder.EncodeInvalidUtf8)
+
 // ByName returns the encoder for a give backend name or nil
 func ByName(name string) encoder.Encoder {
 	switch strings.ToLower(name) {
@@ -353,6 +365,8 @@ func ByName(name string) encoder.Encoder {
 		return QingStor
 	case "s3":
 		return S3
+	case "sharefile":
+		return Sharefile
 	//case "sftp":
 	case "swift":
 		return Swift
@@ -392,5 +406,6 @@ func Names() []string {
 		"onedrive",
 		"opendrive",
 		"pcloud",
+		"sharefile",
 	}
 }