diff --git a/src/lib/commands/mobu.c b/src/lib/commands/mobu.c
index 47a5d534..a368c196 100644
--- a/src/lib/commands/mobu.c
+++ b/src/lib/commands/mobu.c
@@ -61,11 +61,7 @@ mobupdate(void)
     else
 	minites = atol(player->argp[1]) * 60;
     time(&now);
-#if !defined(_WIN32)
     if ((fp = fopen(timestampfil, "r+")) == NULL) {
-#else
-    if ((fp = fopen(timestampfil, "r+b")) == NULL) {
-#endif
 	logerror("Unable to edit timestamp file.");
     } else {
 	rewind(fp);
diff --git a/src/lib/commands/rea.c b/src/lib/commands/rea.c
index ffa97063..e1437794 100644
--- a/src/lib/commands/rea.c
+++ b/src/lib/commands/rea.c
@@ -100,11 +100,7 @@ rea(void)
 	clear_telegram_is_new(player->cnum);
     }
 
-#if !defined(_WIN32)
     if ((telfp = fopen(mbox, "r+")) == 0) {
-#else
-    if ((telfp = fopen(mbox, "r+b")) == 0) {
-#endif
 	logerror("telegram file %s", mbox);
 	return RET_FAIL;
     }
@@ -208,11 +204,7 @@ rea(void)
 		/* Here, we just re-open the file for "w" only,
 		   and that will wipe the file clean automatically */
 		(void)fclose(telfp);
-#if !defined(_WIN32)
 		telfp = fopen((char *)mbox, "w");
-#else
-		telfp = fopen((char *)mbox, "wb");
-#endif
 	    }
 	}
     }
diff --git a/src/lib/commands/turn.c b/src/lib/commands/turn.c
index b98edff5..0dd80caa 100644
--- a/src/lib/commands/turn.c
+++ b/src/lib/commands/turn.c
@@ -95,11 +95,7 @@ turn(void)
 	    pr("Writing empty no-login message.\n");
     }
 
-#if !defined(_WIN32)
     fd = open(msgfilepath, O_RDWR | O_CREAT | O_TRUNC, 0660);
-#else
-    fd = open(msgfilepath, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0660);
-#endif
     if (fd == -1) {
 	pr("Something went wrong opening the message file.\n");
 	logerror("Could not open message file (%s).\n", msgfilepath);
diff --git a/src/lib/commands/upda.c b/src/lib/commands/upda.c
index 6f94b96f..94adc79a 100644
--- a/src/lib/commands/upda.c
+++ b/src/lib/commands/upda.c
@@ -51,13 +51,9 @@ upda(void)
     struct mob_acc_globals timestamps;
 
     if (opt_MOB_ACCESS) {
-#if !defined(_WIN32)
-	if ((fp = fopen(timestampfil, "r")) == NULL) {
-#else
-	if ((fp = fopen(timestampfil, "rb")) == NULL) {
-#endif
+	if ((fp = fopen(timestampfil, "r")) == NULL)
 	    logerror("Unable to open timestamp file.");
-	} else {
+	else {
 	    rewind(fp);
 	    fread(&timestamps, sizeof(timestamps), 1, fp);
 	    fclose(fp);
diff --git a/src/lib/common/file.c b/src/lib/common/file.c
index 9d286d1d..e94b52c5 100644
--- a/src/lib/common/file.c
+++ b/src/lib/common/file.c
@@ -60,9 +60,6 @@ ef_open(int type, int mode, int how)
     static int block;
     int size;
 
-#if defined(_WIN32)
-    mode |= _O_BINARY;
-#endif
     if (ef_check(type) < 0)
 	return 0;
     ep = &empfile[type];
diff --git a/src/lib/common/log.c b/src/lib/common/log.c
index de7f8cd3..8419df7a 100644
--- a/src/lib/common/log.c
+++ b/src/lib/common/log.c
@@ -56,11 +56,7 @@ loginit(s_char *program)
 {
     s_char buf[1024];
 
-#if !defined(_WIN32)
     sprintf(buf, "%s/%s.log", datadir, program);
-#else
-    sprintf(buf, "%s\\%s.log", datadir, program);
-#endif
     logfile = malloc(strlen(buf) + 1);
     strcpy(logfile, buf);
 }
@@ -86,7 +82,11 @@ logerror(s_char *format, ...)
     if ((p = strchr(cbuf, '\n')) != 0)
 	*p = 0;
     (void)sprintf(buf1, "%s %s\n", cbuf, buf);
+#if defined(_WIN32)
+    if ((logf = open(logfile, O_WRONLY | O_CREAT | O_APPEND | O_TEXT, 0666)) < 0)
+#else
     if ((logf = open(logfile, O_WRONLY | O_CREAT | O_APPEND, 0666)) < 0)
+#endif
 	return;
     (void)write(logf, buf1, strlen(buf1));
     (void)close(logf);
diff --git a/src/lib/gen/emp_config.c b/src/lib/gen/emp_config.c
index 54b1ad96..e13736f7 100644
--- a/src/lib/gen/emp_config.c
+++ b/src/lib/gen/emp_config.c
@@ -92,7 +92,7 @@ emp_config(char *file)
 	fixup_files();
 	return 0;
     }
-    if ((fp = fopen(file, "r")) == NULL) {
+    if ((fp = fopen(file, "rt")) == NULL) {
 	fprintf(stderr, "Can't open %s for reading (%s)\n",
 		file, strerror(errno));
 	return -1;
@@ -181,11 +181,7 @@ static struct otherfiles ofiles[] = {
     {&annfil, "ann"},
     {&timestampfil, "timestamp"},
     {&teldir, "tel"},
-#if !defined(_WIN32)
     {&telfil, "tel/tel"},
-#else
-    {&telfil, "tel\\tel"},
-#endif
     {NULL, NULL}
 };
 
@@ -198,20 +194,12 @@ fixup_files(void)
     s_char buf[1024];
 
     for (ep = empfile; ep < &empfile[EF_MAX]; ep++) {
-#if !defined(_WIN32)
 	sprintf(buf, "%s/%s", datadir, ep->name);
-#else
-	sprintf(buf, "%s\\%s", datadir, ep->name);
-#endif
 	ep->file = strdup(buf);
     }
 
     for (op = ofiles; op->files; op++) {
-#if !defined(_WIN32)
 	sprintf(buf, "%s/%s", datadir, op->name);
-#else
-	sprintf(buf, "%s\\%s", datadir, op->name);
-#endif
 	*op->files = strdup(buf);
     }
 }
diff --git a/src/lib/player/empdis.c b/src/lib/player/empdis.c
index 2497ddb5..223eca94 100644
--- a/src/lib/player/empdis.c
+++ b/src/lib/player/empdis.c
@@ -158,11 +158,7 @@ gamedown(void)
 
     if (player->god)
 	return 0;
-#if !defined(_WIN32)
     if ((downf = open(downfil, O_RDONLY, 0)) < 0)
-#else
-    if ((downf = open(downfil, O_RDONLY | O_BINARY, 0)) < 0)
-#endif
 	return 0;
     if (read(downf, (s_char *)&tgm, sizeof(tgm)) != sizeof(tgm)) {
 	logerror("bad header on login message (downfil)");
diff --git a/src/lib/player/player.c b/src/lib/player/player.c
index 0506e391..7f8514ad 100644
--- a/src/lib/player/player.c
+++ b/src/lib/player/player.c
@@ -347,11 +347,7 @@ show_motd(void)
     struct telstr tgm;
     char buf[MAXTELSIZE];
 
-#if !defined(_WIN32)
     if ((motdf = open(motdfil, O_RDONLY, 0)) < 0)
-#else
-    if ((motdf = open(motdfil, O_RDONLY | O_BINARY, 0)) < 0)
-#endif
     {
     	if (errno == ENOENT)
 	    return RET_OK;
@@ -388,7 +384,7 @@ match_user(char *file, struct player *p)
     char host[256];
     char user[256];
 
-    if ((fp = fopen(file, "r")) == NULL) {
+    if ((fp = fopen(file, "rt")) == NULL) {
 	/*logerror("Cannot find file %s", file); */
 	return 0;
     }
diff --git a/src/lib/subs/wu.c b/src/lib/subs/wu.c
index 292717ad..036d94e4 100644
--- a/src/lib/subs/wu.c
+++ b/src/lib/subs/wu.c
@@ -125,11 +125,7 @@ typed_wu(natid from, natid to, s_char *message, int type)
 	     (np->nat_stat & STAT_SANCT) == 0)) {
 	    return -1;
 	}
-#if !defined(_WIN32)
     if ((fd = open(box, O_WRONLY | O_APPEND, 0)) < 0) {
-#else
-    if ((fd = open(box, O_WRONLY | O_APPEND | O_BINARY, 0)) < 0) {
-#endif
 	logerror("telegram 'open' of %s (#%d) failed", box, to);
 	return -1;
     }
diff --git a/src/lib/update/anno.c b/src/lib/update/anno.c
index f7268364..b5b11823 100644
--- a/src/lib/update/anno.c
+++ b/src/lib/update/anno.c
@@ -65,12 +65,12 @@ delete_old_announcements(void)
     old = now - days(anno_keep_days);
     logerror("Deleting annos older than %s", ctime(&old));
 
-    if ((annfp = fopen(annfil, "rb")) == NULL) {
+    if ((annfp = fopen(annfil, "r")) == NULL) {
 	logerror("can't open telegram file %s for reading", annfil);
 	return;
     }
     sprintf(tmp_filename, "%s.tmp", annfil);
-    if ((tmpfp = fopen(tmp_filename, "wb")) == NULL) {
+    if ((tmpfp = fopen(tmp_filename, "w")) == NULL) {
 	logerror("can't open telegram file %s for writing",
 		 tmp_filename);
 	if (fclose(annfp) != 0)
diff --git a/src/server/main.c b/src/server/main.c
index 95e401e7..6da52d3e 100644
--- a/src/server/main.c
+++ b/src/server/main.c
@@ -112,6 +112,10 @@ main(int argc, char **argv)
     char *config_file = NULL;
     s_char tbuf[256];
 
+#if defined(_WIN32)
+    _fmode = _O_BINARY;
+#endif
+
     loginit("server");
 
     mainpid = getpid();
diff --git a/src/server/timestamp.c b/src/server/timestamp.c
index 6ad807ae..c85c80f8 100644
--- a/src/server/timestamp.c
+++ b/src/server/timestamp.c
@@ -52,11 +52,7 @@ mobility_check(void *unused)
     while (1) {
 	time(&now);
 /*		logerror("Updating timestamp file at %s", ctime(&now));*/
-#if !defined(_WIN32)
 	if ((fp = fopen(timestampfil, "r+")) == NULL) {
-#else
-	if ((fp = fopen(timestampfil, "r+b")) == NULL) {
-#endif
 	    logerror("Unable to edit timestamp file.");
 	    continue;
 	}
@@ -101,11 +97,7 @@ mobility_init(void)
        mobility */
 
     time(&now);
-#if !defined(_WIN32)
     if ((fp = fopen(timestampfil, "r+")) == NULL) {
-#else
-    if ((fp = fopen(timestampfil, "r+b")) == NULL) {
-#endif
 	logerror("Unable to edit timestamp file.");
 	/* FIXME safe to continue? */
     } else {